source/rpc_server/srv_samr_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell                   1992-1997,
   5  *  Copyright (C) Luke Kenneth Casson Leighton      1996-1997,
   6  *  Copyright (C) Paul Ashton                       1997,
   7  *  Copyright (C) Marc Jacobsen                     1999,
   8  *  Copyright (C) Jeremy Allison                    2001-2005,
   9  *  Copyright (C) Jean François Micouleau           1998-2001,
  10  *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>   2002,
  11  *  Copyright (C) Gerald (Jerry) Carter             2003-2004,
  12  *  Copyright (C) Simo Sorce                        2003.
  13  *  Copyright (C) Volker Lendecke                   2005.
  14  *
  15  *  This program is free software; you can redistribute it and/or modify
  16  *  it under the terms of the GNU General Public License as published by
  17  *  the Free Software Foundation; either version 2 of the License, or
  18  *  (at your option) any later version.
  19  *
  20  *  This program is distributed in the hope that it will be useful,
  21  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  *  GNU General Public License for more details.
  24  *
  25  *  You should have received a copy of the GNU General Public License
  26  *  along with this program; if not, write to the Free Software
  27  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  28  */
  29
  30 /*
  31  * This is the implementation of the SAMR code.
  32  */
  33
  34 #include "includes.h"
  35
  36 #undef DBGC_CLASS
  37 #define DBGC_CLASS DBGC_RPC_SRV
  38
  39 #define SAMR_USR_RIGHTS_WRITE_PW \
  40                 ( READ_CONTROL_ACCESS           | \
  41                   SA_RIGHT_USER_CHANGE_PASSWORD | \
  42                   SA_RIGHT_USER_SET_LOC_COM )
  43
  44 #define DISP_INFO_CACHE_TIMEOUT 10
  45
  46 typedef struct disp_info {
  47         struct disp_info *next, *prev;
  48         TALLOC_CTX *mem_ctx;
  49         DOM_SID sid; /* identify which domain this is. */
  50         BOOL builtin_domain; /* Quick flag to check if this is the builtin domain. */
  51         struct pdb_search *users; /* querydispinfo 1 and 4 */
  52         struct pdb_search *machines; /* querydispinfo 2 */
  53         struct pdb_search *groups; /* querydispinfo 3 and 5, enumgroups */
  54         struct pdb_search *aliases; /* enumaliases */
  55
  56         uint16 enum_acb_mask;
  57         struct pdb_search *enum_users; /* enumusers with a mask */
  58
  59
  60         smb_event_id_t di_cache_timeout_event; /* cache idle timeout handler. */
  61 } DISP_INFO;
  62
  63 /* We keep a static list of these by SID as modern clients close down
  64    all resources between each request in a complete enumeration. */
  65
  66 static DISP_INFO *disp_info_list;
  67
  68 struct samr_info {
  69         /* for use by the \PIPE\samr policy */
  70         DOM_SID sid;
  71         BOOL builtin_domain; /* Quick flag to check if this is the builtin domain. */
  72         uint32 status; /* some sort of flag.  best to record it.  comes from opnum 0x39 */
  73         uint32 acc_granted;
  74         DISP_INFO *disp_info;
  75         TALLOC_CTX *mem_ctx;
  76 };
  77
  78 static struct generic_mapping sam_generic_mapping = {
  79         GENERIC_RIGHTS_SAM_READ,
  80         GENERIC_RIGHTS_SAM_WRITE,
  81         GENERIC_RIGHTS_SAM_EXECUTE,
  82         GENERIC_RIGHTS_SAM_ALL_ACCESS};
  83 static struct generic_mapping dom_generic_mapping = {
  84         GENERIC_RIGHTS_DOMAIN_READ,
  85         GENERIC_RIGHTS_DOMAIN_WRITE,
  86         GENERIC_RIGHTS_DOMAIN_EXECUTE,
  87         GENERIC_RIGHTS_DOMAIN_ALL_ACCESS};
  88 static struct generic_mapping usr_generic_mapping = {
  89         GENERIC_RIGHTS_USER_READ,
  90         GENERIC_RIGHTS_USER_WRITE,
  91         GENERIC_RIGHTS_USER_EXECUTE,
  92         GENERIC_RIGHTS_USER_ALL_ACCESS};
  93 static struct generic_mapping grp_generic_mapping = {
  94         GENERIC_RIGHTS_GROUP_READ,
  95         GENERIC_RIGHTS_GROUP_WRITE,
  96         GENERIC_RIGHTS_GROUP_EXECUTE,
  97         GENERIC_RIGHTS_GROUP_ALL_ACCESS};
  98 static struct generic_mapping ali_generic_mapping = {
  99         GENERIC_RIGHTS_ALIAS_READ,
 100         GENERIC_RIGHTS_ALIAS_WRITE,
 101         GENERIC_RIGHTS_ALIAS_EXECUTE,
 102         GENERIC_RIGHTS_ALIAS_ALL_ACCESS};
 103
 104 /*******************************************************************
 105 *******************************************************************/
 106
 107 static NTSTATUS make_samr_object_sd( TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size,
 108                                      struct generic_mapping *map,
 109                                      DOM_SID *sid, uint32 sid_access )
 110 {
 111         DOM_SID domadmin_sid;
 112         SEC_ACE ace[5];         /* at most 5 entries */
 113         SEC_ACCESS mask;
 114         size_t i = 0;
 115
 116         SEC_ACL *psa = NULL;
 117
 118         /* basic access for Everyone */
 119
 120         init_sec_access(&mask, map->generic_execute | map->generic_read );
 121         init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 122
 123         /* add Full Access 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
 124
 125         init_sec_access(&mask, map->generic_all);
 126
 127         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 128         init_sec_ace(&ace[i++], &global_sid_Builtin_Account_Operators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 129
 130         /* Add Full Access for Domain Admins if we are a DC */
 131
 132         if ( IS_DC ) {
 133                 sid_copy( &domadmin_sid, get_global_sam_sid() );
 134                 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
 135                 init_sec_ace(&ace[i++], &domadmin_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 136         }
 137
 138         /* if we have a sid, give it some special access */
 139
 140         if ( sid ) {
 141                 init_sec_access( &mask, sid_access );
 142                 init_sec_ace(&ace[i++], sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 143         }
 144
 145         /* create the security descriptor */
 146
 147         if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
 148                 return NT_STATUS_NO_MEMORY;
 149
 150         if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, psa, sd_size)) == NULL)
 151                 return NT_STATUS_NO_MEMORY;
 152
 153         return NT_STATUS_OK;
 154 }
 155
 156 /*******************************************************************
 157  Checks if access to an object should be granted, and returns that
 158  level of access for further checks.
 159 ********************************************************************/
 160
 161 static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
 162                                           SE_PRIV *rights, uint32 rights_mask,
 163                                           uint32 des_access, uint32 *acc_granted,
 164                                           const char *debug )
 165 {
 166         NTSTATUS status = NT_STATUS_ACCESS_DENIED;
 167         uint32 saved_mask = 0;
 168
 169         /* check privileges; certain SAM access bits should be overridden
 170            by privileges (mostly having to do with creating/modifying/deleting
 171            users and groups) */
 172
 173         if ( rights && user_has_any_privilege( token, rights ) ) {
 174
 175                 saved_mask = (des_access & rights_mask);
 176                 des_access &= ~saved_mask;
 177
 178                 DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
 179                         rights_mask));
 180         }
 181
 182
 183         /* check the security descriptor first */
 184
 185         if ( se_access_check(psd, token, des_access, acc_granted, &status) )
 186                 goto done;
 187
 188         /* give root a free pass */
 189
 190         if ( geteuid() == sec_initial_uid() ) {
 191
 192                 DEBUG(4,("%s: ACCESS should be DENIED  (requested: %#010x)\n", debug, des_access));
 193                 DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
 194
 195                 *acc_granted = des_access;
 196
 197                 status = NT_STATUS_OK;
 198                 goto done;
 199         }
 200
 201
 202 done:
 203         /* add in any bits saved during the privilege check (only
 204            matters is status is ok) */
 205
 206         *acc_granted |= rights_mask;
 207
 208         DEBUG(4,("%s: access %s (requested: 0x%08x, granted: 0x%08x)\n",
 209                 debug, NT_STATUS_IS_OK(status) ? "GRANTED" : "DENIED",
 210                 des_access, *acc_granted));
 211
 212         return status;
 213 }
 214
 215 /*******************************************************************
 216  Checks if access to a function can be granted
 217 ********************************************************************/
 218
 219 static NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
 220 {
 221         DEBUG(5,("%s: access check ((granted: %#010x;  required: %#010x)\n",
 222                 debug, acc_granted, acc_required));
 223
 224         /* check the security descriptor first */
 225
 226         if ( (acc_granted&acc_required) == acc_required )
 227                 return NT_STATUS_OK;
 228
 229         /* give root a free pass */
 230
 231         if (geteuid() == sec_initial_uid()) {
 232
 233                 DEBUG(4,("%s: ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 234                         debug, acc_granted, acc_required));
 235                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 236
 237                 return NT_STATUS_OK;
 238         }
 239
 240         DEBUG(2,("%s: ACCESS DENIED (granted: %#010x;  required: %#010x)\n",
 241                 debug, acc_granted, acc_required));
 242
 243         return NT_STATUS_ACCESS_DENIED;
 244 }
 245
 246 /*******************************************************************
 247  Fetch or create a dispinfo struct.
 248 ********************************************************************/
 249
 250 static DISP_INFO *get_samr_dispinfo_by_sid(DOM_SID *psid, const char *sid_str)
 251 {
 252         TALLOC_CTX *mem_ctx;
 253         DISP_INFO *dpi;
 254
 255         /* There are two cases to consider here:
 256            1) The SID is a domain SID and we look for an equality match, or
 257            2) This is an account SID and so we return the DISP_INFO* for our
 258               domain */
 259
 260         if ( psid && sid_check_is_in_our_domain( psid ) ) {
 261                 DEBUG(10,("get_samr_dispinfo_by_sid: Replacing %s with our domain SID\n",
 262                         sid_str));
 263                 psid = get_global_sam_sid();
 264         }
 265
 266         for (dpi = disp_info_list; dpi; dpi = dpi->next) {
 267                 if (sid_equal(psid, &dpi->sid)) {
 268                         return dpi;
 269                 }
 270         }
 271
 272         /* This struct is never free'd - I'm using talloc so we
 273            can get a list out of smbd using smbcontrol. There will
 274            be one of these per SID we're authorative for. JRA. */
 275
 276         mem_ctx = talloc_init("DISP_INFO for domain sid %s", sid_str);
 277
 278         if ((dpi = TALLOC_ZERO_P(mem_ctx, DISP_INFO)) == NULL)
 279                 return NULL;
 280
 281         dpi->mem_ctx = mem_ctx;
 282
 283         if (psid) {
 284                 sid_copy( &dpi->sid, psid);
 285                 dpi->builtin_domain = sid_check_is_builtin(psid);
 286         } else {
 287                 dpi->builtin_domain = False;
 288         }
 289
 290         DLIST_ADD(disp_info_list, dpi);
 291
 292         return dpi;
 293 }
 294
 295 /*******************************************************************
 296  Create a samr_info struct.
 297 ********************************************************************/
 298
 299 static struct samr_info *get_samr_info_by_sid(DOM_SID *psid)
 300 {
 301         struct samr_info *info;
 302         fstring sid_str;
 303         TALLOC_CTX *mem_ctx;
 304
 305         if (psid) {
 306                 sid_to_string(sid_str, psid);
 307         } else {
 308                 fstrcpy(sid_str,"(NULL)");
 309         }
 310
 311         mem_ctx = talloc_init("samr_info for domain sid %s", sid_str);
 312
 313         if ((info = TALLOC_ZERO_P(mem_ctx, struct samr_info)) == NULL)
 314                 return NULL;
 315
 316         DEBUG(10,("get_samr_info_by_sid: created new info for sid %s\n", sid_str));
 317         if (psid) {
 318                 sid_copy( &info->sid, psid);
 319                 info->builtin_domain = sid_check_is_builtin(psid);
 320         } else {
 321                 DEBUG(10,("get_samr_info_by_sid: created new info for NULL sid.\n"));
 322                 info->builtin_domain = False;
 323         }
 324         info->mem_ctx = mem_ctx;
 325
 326         info->disp_info = get_samr_dispinfo_by_sid(psid, sid_str);
 327
 328         if (!info->disp_info) {
 329                 talloc_destroy(mem_ctx);
 330                 return NULL;
 331         }
 332
 333         return info;
 334 }
 335
 336 /*******************************************************************
 337  Function to free the per SID data.
 338  ********************************************************************/
 339
 340 static void free_samr_cache(DISP_INFO *disp_info, const char *sid_str)
 341 {
 342         DEBUG(10,("free_samr_cache: deleting cache for SID %s\n", sid_str));
 343
 344         /* We need to become root here because the paged search might have to
 345          * tell the LDAP server we're not interested in the rest anymore. */
 346
 347         become_root();
 348
 349         if (disp_info->users) {
 350                 DEBUG(10,("free_samr_cache: deleting users cache\n"));
 351                 pdb_search_destroy(disp_info->users);
 352                 disp_info->users = NULL;
 353         }
 354         if (disp_info->machines) {
 355                 DEBUG(10,("free_samr_cache: deleting machines cache\n"));
 356                 pdb_search_destroy(disp_info->machines);
 357                 disp_info->machines = NULL;
 358         }
 359         if (disp_info->groups) {
 360                 DEBUG(10,("free_samr_cache: deleting groups cache\n"));
 361                 pdb_search_destroy(disp_info->groups);
 362                 disp_info->groups = NULL;
 363         }
 364         if (disp_info->aliases) {
 365                 DEBUG(10,("free_samr_cache: deleting aliases cache\n"));
 366                 pdb_search_destroy(disp_info->aliases);
 367                 disp_info->aliases = NULL;
 368         }
 369         if (disp_info->enum_users) {
 370                 DEBUG(10,("free_samr_cache: deleting enum_users cache\n"));
 371                 pdb_search_destroy(disp_info->enum_users);
 372                 disp_info->enum_users = NULL;
 373         }
 374         disp_info->enum_acb_mask = 0;
 375
 376         unbecome_root();
 377 }
 378
 379 /*******************************************************************
 380  Function to free the per handle data.
 381  ********************************************************************/
 382
 383 static void free_samr_info(void *ptr)
 384 {
 385         struct samr_info *info=(struct samr_info *) ptr;
 386
 387         /* Only free the dispinfo cache if no one bothered to set up
 388            a timeout. */
 389
 390         if (info->disp_info && info->disp_info->di_cache_timeout_event == (smb_event_id_t)0) {
 391                 fstring sid_str;
 392                 sid_to_string(sid_str, &info->disp_info->sid);
 393                 free_samr_cache(info->disp_info, sid_str);
 394         }
 395
 396         talloc_destroy(info->mem_ctx);
 397 }
 398
 399 /*******************************************************************
 400  Idle event handler. Throw away the disp info cache.
 401  ********************************************************************/
 402
 403 static void disp_info_cache_idle_timeout_handler(void **private_data,
 404                                         time_t *ev_interval,
 405                                         time_t ev_now)
 406 {
 407         fstring sid_str;
 408         DISP_INFO *disp_info = (DISP_INFO *)(*private_data);
 409
 410         sid_to_string(sid_str, &disp_info->sid);
 411
 412         free_samr_cache(disp_info, sid_str);
 413
 414         /* Remove the event. */
 415         smb_unregister_idle_event(disp_info->di_cache_timeout_event);
 416         disp_info->di_cache_timeout_event = (smb_event_id_t)0;
 417
 418         DEBUG(10,("disp_info_cache_idle_timeout_handler: caching timed out for SID %s at %u\n",
 419                 sid_str, (unsigned int)ev_now));
 420 }
 421
 422 /*******************************************************************
 423  Setup cache removal idle event handler.
 424  ********************************************************************/
 425
 426 static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromnow)
 427 {
 428         fstring sid_str;
 429
 430         sid_to_string(sid_str, &disp_info->sid);
 431
 432         /* Remove any pending timeout and update. */
 433
 434         if (disp_info->di_cache_timeout_event) {
 435                 smb_unregister_idle_event(disp_info->di_cache_timeout_event);
 436                 disp_info->di_cache_timeout_event = (smb_event_id_t)0;
 437         }
 438
 439         DEBUG(10,("set_disp_info_cache_timeout: caching enumeration for SID %s for %u seconds\n",
 440                 sid_str, (unsigned int)secs_fromnow ));
 441
 442         disp_info->di_cache_timeout_event =
 443                 smb_register_idle_event(disp_info_cache_idle_timeout_handler,
 444                                         disp_info,
 445                                         secs_fromnow);
 446 }
 447
 448 /*******************************************************************
 449  Force flush any cache. We do this on any samr_set_xxx call.
 450  We must also remove the timeout handler.
 451  ********************************************************************/
 452
 453 static void force_flush_samr_cache(DISP_INFO *disp_info)
 454 {
 455         if (disp_info) {
 456                 fstring sid_str;
 457
 458                 sid_to_string(sid_str, &disp_info->sid);
 459                 if (disp_info->di_cache_timeout_event) {
 460                         smb_unregister_idle_event(disp_info->di_cache_timeout_event);
 461                         disp_info->di_cache_timeout_event = (smb_event_id_t)0;
 462                         DEBUG(10,("force_flush_samr_cache: clearing idle event for SID %s\n",
 463                                 sid_str));
 464                 }
 465                 free_samr_cache(disp_info, sid_str);
 466         }
 467 }
 468
 469 /*******************************************************************
 470  Ensure password info is never given out. Paranioa... JRA.
 471  ********************************************************************/
 472
 473 static void samr_clear_sam_passwd(struct samu *sam_pass)
 474 {
 475
 476         if (!sam_pass)
 477                 return;
 478
 479         /* These now zero out the old password */
 480
 481         pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
 482         pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
 483 }
 484
 485 static uint32 count_sam_users(struct disp_info *info, uint32 acct_flags)
 486 {
 487         struct samr_displayentry *entry;
 488
 489         if (info->builtin_domain) {
 490                 /* No users in builtin. */
 491                 return 0;
 492         }
 493
 494         if (info->users == NULL) {
 495                 info->users = pdb_search_users(acct_flags);
 496                 if (info->users == NULL) {
 497                         return 0;
 498                 }
 499         }
 500         /* Fetch the last possible entry, thus trigger an enumeration */
 501         pdb_search_entries(info->users, 0xffffffff, 1, &entry);
 502
 503         /* Ensure we cache this enumeration. */
 504         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 505
 506         return info->users->num_entries;
 507 }
 508
 509 static uint32 count_sam_groups(struct disp_info *info)
 510 {
 511         struct samr_displayentry *entry;
 512
 513         if (info->builtin_domain) {
 514                 /* No groups in builtin. */
 515                 return 0;
 516         }
 517
 518         if (info->groups == NULL) {
 519                 info->groups = pdb_search_groups();
 520                 if (info->groups == NULL) {
 521                         return 0;
 522                 }
 523         }
 524         /* Fetch the last possible entry, thus trigger an enumeration */
 525         pdb_search_entries(info->groups, 0xffffffff, 1, &entry);
 526
 527         /* Ensure we cache this enumeration. */
 528         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 529
 530         return info->groups->num_entries;
 531 }
 532
 533 static uint32 count_sam_aliases(struct disp_info *info)
 534 {
 535         struct samr_displayentry *entry;
 536
 537         if (info->aliases == NULL) {
 538                 info->aliases = pdb_search_aliases(&info->sid);
 539                 if (info->aliases == NULL) {
 540                         return 0;
 541                 }
 542         }
 543         /* Fetch the last possible entry, thus trigger an enumeration */
 544         pdb_search_entries(info->aliases, 0xffffffff, 1, &entry);
 545
 546         /* Ensure we cache this enumeration. */
 547         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 548
 549         return info->aliases->num_entries;
 550 }
 551
 552 /*******************************************************************
 553  _samr_close_hnd
 554  ********************************************************************/
 555
 556 NTSTATUS _samr_close_hnd(pipes_struct *p, SAMR_Q_CLOSE_HND *q_u, SAMR_R_CLOSE_HND *r_u)
 557 {
 558         r_u->status = NT_STATUS_OK;
 559
 560         /* close the policy handle */
 561         if (!close_policy_hnd(p, &q_u->pol))
 562                 return NT_STATUS_OBJECT_NAME_INVALID;
 563
 564         DEBUG(5,("samr_reply_close_hnd: %d\n", __LINE__));
 565
 566         return r_u->status;
 567 }
 568
 569 /*******************************************************************
 570  samr_reply_open_domain
 571  ********************************************************************/
 572
 573 NTSTATUS _samr_open_domain(pipes_struct *p, SAMR_Q_OPEN_DOMAIN *q_u, SAMR_R_OPEN_DOMAIN *r_u)
 574 {
 575         struct    samr_info *info;
 576         SEC_DESC *psd = NULL;
 577         uint32    acc_granted;
 578         uint32    des_access = q_u->flags;
 579         NTSTATUS  status;
 580         size_t    sd_size;
 581         SE_PRIV se_rights;
 582
 583         r_u->status = NT_STATUS_OK;
 584
 585         /* find the connection policy handle. */
 586
 587         if ( !find_policy_by_hnd(p, &q_u->pol, (void**)(void *)&info) )
 588                 return NT_STATUS_INVALID_HANDLE;
 589
 590         status = access_check_samr_function( info->acc_granted,
 591                 SA_RIGHT_SAM_OPEN_DOMAIN, "_samr_open_domain" );
 592
 593         if ( !NT_STATUS_IS_OK(status) )
 594                 return status;
 595
 596         /*check if access can be granted as requested by client. */
 597
 598         make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
 599         se_map_generic( &des_access, &dom_generic_mapping );
 600
 601         se_priv_copy( &se_rights, &se_machine_account );
 602         se_priv_add( &se_rights, &se_add_users );
 603
 604         status = access_check_samr_object( psd, p->pipe_user.nt_user_token,
 605                 &se_rights, GENERIC_RIGHTS_DOMAIN_WRITE, des_access,
 606                 &acc_granted, "_samr_open_domain" );
 607
 608         if ( !NT_STATUS_IS_OK(status) )
 609                 return status;
 610
 611         if (!sid_check_is_domain(&q_u->dom_sid.sid) &&
 612             !sid_check_is_builtin(&q_u->dom_sid.sid)) {
 613                 return NT_STATUS_NO_SUCH_DOMAIN;
 614         }
 615
 616         /* associate the domain SID with the (unique) handle. */
 617         if ((info = get_samr_info_by_sid(&q_u->dom_sid.sid))==NULL)
 618                 return NT_STATUS_NO_MEMORY;
 619         info->acc_granted = acc_granted;
 620
 621         /* get a (unique) handle.  open a policy on it. */
 622         if (!create_policy_hnd(p, &r_u->domain_pol, free_samr_info, (void *)info))
 623                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 624
 625         DEBUG(5,("samr_open_domain: %d\n", __LINE__));
 626
 627         return r_u->status;
 628 }
 629
 630 /*******************************************************************
 631  _samr_get_usrdom_pwinfo
 632  ********************************************************************/
 633
 634 NTSTATUS _samr_get_usrdom_pwinfo(pipes_struct *p, SAMR_Q_GET_USRDOM_PWINFO *q_u, SAMR_R_GET_USRDOM_PWINFO *r_u)
 635 {
 636         struct samr_info *info = NULL;
 637
 638         r_u->status = NT_STATUS_OK;
 639
 640         /* find the policy handle.  open a policy on it. */
 641         if (!find_policy_by_hnd(p, &q_u->user_pol, (void **)(void *)&info))
 642                 return NT_STATUS_INVALID_HANDLE;
 643
 644         if (!sid_check_is_in_our_domain(&info->sid))
 645                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
 646
 647         init_samr_r_get_usrdom_pwinfo(r_u, NT_STATUS_OK);
 648
 649         DEBUG(5,("_samr_get_usrdom_pwinfo: %d\n", __LINE__));
 650
 651         /*
 652          * NT sometimes return NT_STATUS_ACCESS_DENIED
 653          * I don't know yet why.
 654          */
 655
 656         return r_u->status;
 657 }
 658
 659 /*******************************************************************
 660  _samr_set_sec_obj
 661  ********************************************************************/
 662
 663 NTSTATUS _samr_set_sec_obj(pipes_struct *p, SAMR_Q_SET_SEC_OBJ *q_u, SAMR_R_SET_SEC_OBJ *r_u)
 664 {
 665         DEBUG(0,("_samr_set_sec_obj: Not yet implemented!\n"));
 666         return NT_STATUS_NOT_IMPLEMENTED;
 667 }
 668
 669 /*******************************************************************
 670 ********************************************************************/
 671
 672 static BOOL get_lsa_policy_samr_sid( pipes_struct *p, POLICY_HND *pol,
 673                                         DOM_SID *sid, uint32 *acc_granted,
 674                                         DISP_INFO **ppdisp_info)
 675 {
 676         struct samr_info *info = NULL;
 677
 678         /* find the policy handle.  open a policy on it. */
 679         if (!find_policy_by_hnd(p, pol, (void **)(void *)&info))
 680                 return False;
 681
 682         if (!info)
 683                 return False;
 684
 685         *sid = info->sid;
 686         *acc_granted = info->acc_granted;
 687         if (ppdisp_info) {
 688                 *ppdisp_info = info->disp_info;
 689         }
 690
 691         return True;
 692 }
 693
 694 /*******************************************************************
 695  _samr_query_sec_obj
 696  ********************************************************************/
 697
 698 NTSTATUS _samr_query_sec_obj(pipes_struct *p, SAMR_Q_QUERY_SEC_OBJ *q_u, SAMR_R_QUERY_SEC_OBJ *r_u)
 699 {
 700         DOM_SID pol_sid;
 701         fstring str_sid;
 702         SEC_DESC * psd = NULL;
 703         uint32 acc_granted;
 704         size_t sd_size;
 705
 706         r_u->status = NT_STATUS_OK;
 707
 708         /* Get the SID. */
 709         if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &pol_sid, &acc_granted, NULL))
 710                 return NT_STATUS_INVALID_HANDLE;
 711
 712         DEBUG(10,("_samr_query_sec_obj: querying security on SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 713
 714         /* Check what typ of SID is beeing queried (e.g Domain SID, User SID, Group SID) */
 715
 716         /* To query the security of the SAM it self an invalid SID with S-0-0 is passed to this function */
 717         if (pol_sid.sid_rev_num == 0) {
 718                 DEBUG(5,("_samr_query_sec_obj: querying security on SAM\n"));
 719                 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
 720         } else if (sid_equal(&pol_sid,get_global_sam_sid())) {
 721                 /* check if it is our domain SID */
 722                 DEBUG(5,("_samr_query_sec_obj: querying security on Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 723                 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
 724         } else if (sid_equal(&pol_sid,&global_sid_Builtin)) {
 725                 /* check if it is the Builtin  Domain */
 726                 /* TODO: Builtin probably needs a different SD with restricted write access*/
 727                 DEBUG(5,("_samr_query_sec_obj: querying security on Builtin Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 728                 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
 729         } else if (sid_check_is_in_our_domain(&pol_sid) ||
 730                  sid_check_is_in_builtin(&pol_sid)) {
 731                 /* TODO: different SDs have to be generated for aliases groups and users.
 732                          Currently all three get a default user SD  */
 733                 DEBUG(10,("_samr_query_sec_obj: querying security on Object with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 734                 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &pol_sid, SAMR_USR_RIGHTS_WRITE_PW);
 735         } else {
 736                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
 737         }
 738
 739         if ((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
 740                 return NT_STATUS_NO_MEMORY;
 741
 742         if (NT_STATUS_IS_OK(r_u->status))
 743                 r_u->ptr = 1;
 744
 745         return r_u->status;
 746 }
 747
 748 /*******************************************************************
 749 makes a SAM_ENTRY / UNISTR2* structure from a user list.
 750 ********************************************************************/
 751
 752 static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp,
 753                                          UNISTR2 **uni_name_pp,
 754                                          uint32 num_entries, uint32 start_idx,
 755                                          struct samr_displayentry *entries)
 756 {
 757         uint32 i;
 758         SAM_ENTRY *sam;
 759         UNISTR2 *uni_name;
 760
 761         *sam_pp = NULL;
 762         *uni_name_pp = NULL;
 763
 764         if (num_entries == 0)
 765                 return NT_STATUS_OK;
 766
 767         sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_entries);
 768
 769         uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_entries);
 770
 771         if (sam == NULL || uni_name == NULL) {
 772                 DEBUG(0, ("make_user_sam_entry_list: talloc_zero failed!\n"));
 773                 return NT_STATUS_NO_MEMORY;
 774         }
 775
 776         for (i = 0; i < num_entries; i++) {
 777                 UNISTR2 uni_temp_name;
 778                 /*
 779                  * usrmgr expects a non-NULL terminated string with
 780                  * trust relationships
 781                  */
 782                 if (entries[i].acct_flags & ACB_DOMTRUST) {
 783                         init_unistr2(&uni_temp_name, entries[i].account_name,
 784                                      UNI_FLAGS_NONE);
 785                 } else {
 786                         init_unistr2(&uni_temp_name, entries[i].account_name,
 787                                      UNI_STR_TERMINATE);
 788                 }
 789
 790                 init_sam_entry(&sam[i], &uni_temp_name, entries[i].rid);
 791                 copy_unistr2(&uni_name[i], &uni_temp_name);
 792         }
 793
 794         *sam_pp = sam;
 795         *uni_name_pp = uni_name;
 796         return NT_STATUS_OK;
 797 }
 798
 799 /*******************************************************************
 800  samr_reply_enum_dom_users
 801  ********************************************************************/
 802
 803 NTSTATUS _samr_enum_dom_users(pipes_struct *p, SAMR_Q_ENUM_DOM_USERS *q_u,
 804                               SAMR_R_ENUM_DOM_USERS *r_u)
 805 {
 806         struct samr_info *info = NULL;
 807         int num_account;
 808         uint32 enum_context=q_u->start_idx;
 809         enum remote_arch_types ra_type = get_remote_arch();
 810         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
 811         uint32 max_entries = max_sam_entries;
 812         struct samr_displayentry *entries = NULL;
 813
 814         r_u->status = NT_STATUS_OK;
 815
 816         /* find the policy handle.  open a policy on it. */
 817         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
 818                 return NT_STATUS_INVALID_HANDLE;
 819
 820         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted,
 821                                         SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
 822                                         "_samr_enum_dom_users"))) {
 823                 return r_u->status;
 824         }
 825
 826         DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__));
 827
 828         if (info->builtin_domain) {
 829                 /* No users in builtin. */
 830                 init_samr_r_enum_dom_users(r_u, q_u->start_idx, 0);
 831                 DEBUG(5,("_samr_enum_dom_users: No users in BUILTIN\n"));
 832                 return r_u->status;
 833         }
 834
 835         become_root();
 836
 837         /* AS ROOT !!!! */
 838
 839         if ((info->disp_info->enum_users != NULL) &&
 840             (info->disp_info->enum_acb_mask != q_u->acb_mask)) {
 841                 pdb_search_destroy(info->disp_info->enum_users);
 842                 info->disp_info->enum_users = NULL;
 843         }
 844
 845         if (info->disp_info->enum_users == NULL) {
 846                 info->disp_info->enum_users = pdb_search_users(q_u->acb_mask);
 847                 info->disp_info->enum_acb_mask = q_u->acb_mask;
 848         }
 849
 850         if (info->disp_info->enum_users == NULL) {
 851                 /* END AS ROOT !!!! */
 852                 unbecome_root();
 853                 return NT_STATUS_ACCESS_DENIED;
 854         }
 855
 856         num_account = pdb_search_entries(info->disp_info->enum_users,
 857                                          enum_context, max_entries,
 858                                          &entries);
 859
 860         /* END AS ROOT !!!! */
 861
 862         unbecome_root();
 863
 864         if (num_account == 0) {
 865                 DEBUG(5, ("_samr_enum_dom_users: enumeration handle over "
 866                           "total entries\n"));
 867                 return NT_STATUS_OK;
 868         }
 869
 870         r_u->status = make_user_sam_entry_list(p->mem_ctx, &r_u->sam,
 871                                                &r_u->uni_acct_name,
 872                                                num_account, enum_context,
 873                                                entries);
 874
 875         if (!NT_STATUS_IS_OK(r_u->status))
 876                 return r_u->status;
 877
 878         if (max_entries <= num_account) {
 879                 r_u->status = STATUS_MORE_ENTRIES;
 880         } else {
 881                 r_u->status = NT_STATUS_OK;
 882         }
 883
 884         /* Ensure we cache this enumeration. */
 885         set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
 886
 887         DEBUG(5, ("_samr_enum_dom_users: %d\n", __LINE__));
 888
 889         init_samr_r_enum_dom_users(r_u, q_u->start_idx + num_account,
 890                                    num_account);
 891
 892         DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__));
 893
 894         return r_u->status;
 895 }
 896
 897 /*******************************************************************
 898 makes a SAM_ENTRY / UNISTR2* structure from a group list.
 899 ********************************************************************/
 900
 901 static void make_group_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp,
 902                                       UNISTR2 **uni_name_pp,
 903                                       uint32 num_sam_entries,
 904                                       struct samr_displayentry *entries)
 905 {
 906         uint32 i;
 907         SAM_ENTRY *sam;
 908         UNISTR2 *uni_name;
 909
 910         *sam_pp = NULL;
 911         *uni_name_pp = NULL;
 912
 913         if (num_sam_entries == 0)
 914                 return;
 915
 916         sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
 917         uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
 918
 919         if (sam == NULL || uni_name == NULL) {
 920                 DEBUG(0, ("NULL pointers in SAMR_R_QUERY_DISPINFO\n"));
 921                 return;
 922         }
 923
 924         for (i = 0; i < num_sam_entries; i++) {
 925                 /*
 926                  * JRA. I think this should include the null. TNG does not.
 927                  */
 928                 init_unistr2(&uni_name[i], entries[i].account_name,
 929                              UNI_STR_TERMINATE);
 930                 init_sam_entry(&sam[i], &uni_name[i], entries[i].rid);
 931         }
 932
 933         *sam_pp = sam;
 934         *uni_name_pp = uni_name;
 935 }
 936
 937 /*******************************************************************
 938  samr_reply_enum_dom_groups
 939  ********************************************************************/
 940
 941 NTSTATUS _samr_enum_dom_groups(pipes_struct *p, SAMR_Q_ENUM_DOM_GROUPS *q_u, SAMR_R_ENUM_DOM_GROUPS *r_u)
 942 {
 943         struct samr_info *info = NULL;
 944         struct samr_displayentry *groups;
 945         uint32 num_groups;
 946
 947         r_u->status = NT_STATUS_OK;
 948
 949         /* find the policy handle.  open a policy on it. */
 950         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
 951                 return NT_STATUS_INVALID_HANDLE;
 952
 953         r_u->status = access_check_samr_function(info->acc_granted,
 954                                                  SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
 955                                                  "_samr_enum_dom_groups");
 956         if (!NT_STATUS_IS_OK(r_u->status))
 957                 return r_u->status;
 958
 959         DEBUG(5,("samr_reply_enum_dom_groups: %d\n", __LINE__));
 960
 961         if (info->builtin_domain) {
 962                 /* No groups in builtin. */
 963                 init_samr_r_enum_dom_groups(r_u, q_u->start_idx, 0);
 964                 DEBUG(5,("_samr_enum_dom_users: No groups in BUILTIN\n"));
 965                 return r_u->status;
 966         }
 967
 968         /* the domain group array is being allocated in the function below */
 969
 970         become_root();
 971
 972         if (info->disp_info->groups == NULL) {
 973                 info->disp_info->groups = pdb_search_groups();
 974
 975                 if (info->disp_info->groups == NULL) {
 976                         unbecome_root();
 977                         return NT_STATUS_ACCESS_DENIED;
 978                 }
 979         }
 980
 981         num_groups = pdb_search_entries(info->disp_info->groups, q_u->start_idx,
 982                                         MAX_SAM_ENTRIES, &groups);
 983         unbecome_root();
 984
 985         /* Ensure we cache this enumeration. */
 986         set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
 987
 988         make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name,
 989                                   num_groups, groups);
 990
 991         init_samr_r_enum_dom_groups(r_u, q_u->start_idx, num_groups);
 992
 993         DEBUG(5,("samr_enum_dom_groups: %d\n", __LINE__));
 994
 995         return r_u->status;
 996 }
 997
 998 /*******************************************************************
 999  samr_reply_enum_dom_aliases
1000  ********************************************************************/
1001
1002 NTSTATUS _samr_enum_dom_aliases(pipes_struct *p, SAMR_Q_ENUM_DOM_ALIASES *q_u, SAMR_R_ENUM_DOM_ALIASES *r_u)
1003 {
1004         struct samr_info *info;
1005         struct samr_displayentry *aliases;
1006         uint32 num_aliases = 0;
1007
1008         /* find the policy handle.  open a policy on it. */
1009         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1010                 return NT_STATUS_INVALID_HANDLE;
1011
1012         r_u->status = access_check_samr_function(info->acc_granted,
1013                                                  SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
1014                                                  "_samr_enum_dom_aliases");
1015         if (!NT_STATUS_IS_OK(r_u->status))
1016                 return r_u->status;
1017
1018         DEBUG(5,("samr_reply_enum_dom_aliases: sid %s\n",
1019                  sid_string_static(&info->sid)));
1020
1021         become_root();
1022
1023         if (info->disp_info->aliases == NULL) {
1024                 info->disp_info->aliases = pdb_search_aliases(&info->sid);
1025                 if (info->disp_info->aliases == NULL) {
1026                         unbecome_root();
1027                         return NT_STATUS_ACCESS_DENIED;
1028                 }
1029         }
1030
1031         num_aliases = pdb_search_entries(info->disp_info->aliases, q_u->start_idx,
1032                                          MAX_SAM_ENTRIES, &aliases);
1033         unbecome_root();
1034
1035         /* Ensure we cache this enumeration. */
1036         set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1037
1038         make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name,
1039                                   num_aliases, aliases);
1040
1041         init_samr_r_enum_dom_aliases(r_u, q_u->start_idx + num_aliases,
1042                                      num_aliases);
1043
1044         DEBUG(5,("samr_enum_dom_aliases: %d\n", __LINE__));
1045
1046         return r_u->status;
1047 }
1048
1049 /*******************************************************************
1050  samr_reply_query_dispinfo
1051  ********************************************************************/
1052
1053 NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
1054                               SAMR_R_QUERY_DISPINFO *r_u)
1055 {
1056         struct samr_info *info = NULL;
1057         uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
1058
1059         uint32 max_entries=q_u->max_entries;
1060         uint32 enum_context=q_u->start_idx;
1061         uint32 max_size=q_u->max_size;
1062
1063         SAM_DISPINFO_CTR *ctr;
1064         uint32 temp_size=0, total_data_size=0;
1065         NTSTATUS disp_ret = NT_STATUS_UNSUCCESSFUL;
1066         uint32 num_account = 0;
1067         enum remote_arch_types ra_type = get_remote_arch();
1068         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
1069         struct samr_displayentry *entries = NULL;
1070
1071         DEBUG(5, ("samr_reply_query_dispinfo: %d\n", __LINE__));
1072         r_u->status = NT_STATUS_UNSUCCESSFUL;
1073
1074         /* find the policy handle.  open a policy on it. */
1075         if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)(void *)&info))
1076                 return NT_STATUS_INVALID_HANDLE;
1077
1078         /*
1079          * calculate how many entries we will return.
1080          * based on
1081          * - the number of entries the client asked
1082          * - our limit on that
1083          * - the starting point (enumeration context)
1084          * - the buffer size the client will accept
1085          */
1086
1087         /*
1088          * We are a lot more like W2K. Instead of reading the SAM
1089          * each time to find the records we need to send back,
1090          * we read it once and link that copy to the sam handle.
1091          * For large user list (over the MAX_SAM_ENTRIES)
1092          * it's a definitive win.
1093          * second point to notice: between enumerations
1094          * our sam is now the same as it's a snapshoot.
1095          * third point: got rid of the static SAM_USER_21 struct
1096          * no more intermediate.
1097          * con: it uses much more memory, as a full copy is stored
1098          * in memory.
1099          *
1100          * If you want to change it, think twice and think
1101          * of the second point , that's really important.
1102          *
1103          * JFM, 12/20/2001
1104          */
1105
1106         if ((q_u->switch_level < 1) || (q_u->switch_level > 5)) {
1107                 DEBUG(0,("_samr_query_dispinfo: Unknown info level (%u)\n",
1108                          (unsigned int)q_u->switch_level ));
1109                 return NT_STATUS_INVALID_INFO_CLASS;
1110         }
1111
1112         /* first limit the number of entries we will return */
1113         if(max_entries > max_sam_entries) {
1114                 DEBUG(5, ("samr_reply_query_dispinfo: client requested %d "
1115                           "entries, limiting to %d\n", max_entries,
1116                           max_sam_entries));
1117                 max_entries = max_sam_entries;
1118         }
1119
1120         /* calculate the size and limit on the number of entries we will
1121          * return */
1122
1123         temp_size=max_entries*struct_size;
1124
1125         if (temp_size>max_size) {
1126                 max_entries=MIN((max_size/struct_size),max_entries);;
1127                 DEBUG(5, ("samr_reply_query_dispinfo: buffer size limits to "
1128                           "only %d entries\n", max_entries));
1129         }
1130
1131         if (!(ctr = TALLOC_ZERO_P(p->mem_ctx,SAM_DISPINFO_CTR)))
1132                 return NT_STATUS_NO_MEMORY;
1133
1134         ZERO_STRUCTP(ctr);
1135
1136         become_root();
1137
1138         /* THe following done as ROOT. Don't return without unbecome_root(). */
1139
1140         switch (q_u->switch_level) {
1141         case 0x1:
1142         case 0x4:
1143                 if (info->disp_info->users == NULL) {
1144                         info->disp_info->users = pdb_search_users(ACB_NORMAL);
1145                         if (info->disp_info->users == NULL) {
1146                                 unbecome_root();
1147                                 return NT_STATUS_ACCESS_DENIED;
1148                         }
1149                         DEBUG(10,("samr_reply_query_dispinfo: starting user enumeration at index %u\n",
1150                                 (unsigned  int)enum_context ));
1151                 } else {
1152                         DEBUG(10,("samr_reply_query_dispinfo: using cached user enumeration at index %u\n",
1153                                 (unsigned  int)enum_context ));
1154                 }
1155
1156                 num_account = pdb_search_entries(info->disp_info->users,
1157                                                  enum_context, max_entries,
1158                                                  &entries);
1159                 break;
1160         case 0x2:
1161                 if (info->disp_info->machines == NULL) {
1162                         info->disp_info->machines =
1163                                 pdb_search_users(ACB_WSTRUST|ACB_SVRTRUST);
1164                         if (info->disp_info->machines == NULL) {
1165                                 unbecome_root();
1166                                 return NT_STATUS_ACCESS_DENIED;
1167                         }
1168                         DEBUG(10,("samr_reply_query_dispinfo: starting machine enumeration at index %u\n",
1169                                 (unsigned  int)enum_context ));
1170                 } else {
1171                         DEBUG(10,("samr_reply_query_dispinfo: using cached machine enumeration at index %u\n",
1172                                 (unsigned  int)enum_context ));
1173                 }
1174
1175                 num_account = pdb_search_entries(info->disp_info->machines,
1176                                                  enum_context, max_entries,
1177                                                  &entries);
1178                 break;
1179         case 0x3:
1180         case 0x5:
1181                 if (info->disp_info->groups == NULL) {
1182                         info->disp_info->groups = pdb_search_groups();
1183                         if (info->disp_info->groups == NULL) {
1184                                 unbecome_root();
1185                                 return NT_STATUS_ACCESS_DENIED;
1186                         }
1187                         DEBUG(10,("samr_reply_query_dispinfo: starting group enumeration at index %u\n",
1188                                 (unsigned  int)enum_context ));
1189                 } else {
1190                         DEBUG(10,("samr_reply_query_dispinfo: using cached group enumeration at index %u\n",
1191                                 (unsigned  int)enum_context ));
1192                 }
1193
1194                 num_account = pdb_search_entries(info->disp_info->groups,
1195                                                  enum_context, max_entries,
1196                                                  &entries);
1197                 break;
1198         default:
1199                 unbecome_root();
1200                 smb_panic("info class changed");
1201                 break;
1202         }
1203         unbecome_root();
1204
1205         /* Now create reply structure */
1206         switch (q_u->switch_level) {
1207         case 0x1:
1208                 disp_ret = init_sam_dispinfo_1(p->mem_ctx, &ctr->sam.info1,
1209                                                num_account, enum_context,
1210                                                entries);
1211                 break;
1212         case 0x2:
1213                 disp_ret = init_sam_dispinfo_2(p->mem_ctx, &ctr->sam.info2,
1214                                                num_account, enum_context,
1215                                                entries);
1216                 break;
1217         case 0x3:
1218                 disp_ret = init_sam_dispinfo_3(p->mem_ctx, &ctr->sam.info3,
1219                                                num_account, enum_context,
1220                                                entries);
1221                 break;
1222         case 0x4:
1223                 disp_ret = init_sam_dispinfo_4(p->mem_ctx, &ctr->sam.info4,
1224                                                num_account, enum_context,
1225                                                entries);
1226                 break;
1227         case 0x5:
1228                 disp_ret = init_sam_dispinfo_5(p->mem_ctx, &ctr->sam.info5,
1229                                                num_account, enum_context,
1230                                                entries);
1231                 break;
1232         default:
1233                 smb_panic("info class changed");
1234                 break;
1235         }
1236
1237         if (!NT_STATUS_IS_OK(disp_ret))
1238                 return disp_ret;
1239
1240         /* calculate the total size */
1241         total_data_size=num_account*struct_size;
1242
1243         if (num_account) {
1244                 r_u->status = STATUS_MORE_ENTRIES;
1245         } else {
1246                 r_u->status = NT_STATUS_OK;
1247         }
1248
1249         /* Ensure we cache this enumeration. */
1250         set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1251
1252         DEBUG(5, ("_samr_query_dispinfo: %d\n", __LINE__));
1253
1254         init_samr_r_query_dispinfo(r_u, num_account, total_data_size,
1255                                    temp_size, q_u->switch_level, ctr,
1256                                    r_u->status);
1257
1258         return r_u->status;
1259
1260 }
1261
1262 /*******************************************************************
1263  samr_reply_query_aliasinfo
1264  ********************************************************************/
1265
1266 NTSTATUS _samr_query_aliasinfo(pipes_struct *p, SAMR_Q_QUERY_ALIASINFO *q_u, SAMR_R_QUERY_ALIASINFO *r_u)
1267 {
1268         DOM_SID   sid;
1269         struct acct_info info;
1270         uint32    acc_granted;
1271         BOOL ret;
1272
1273         r_u->status = NT_STATUS_OK;
1274
1275         DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__));
1276
1277         /* find the policy handle.  open a policy on it. */
1278         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted, NULL))
1279                 return NT_STATUS_INVALID_HANDLE;
1280         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_LOOKUP_INFO, "_samr_query_aliasinfo"))) {
1281                 return r_u->status;
1282         }
1283
1284         become_root();
1285         ret = pdb_get_aliasinfo(&sid, &info);
1286         unbecome_root();
1287
1288         if ( !ret )
1289                 return NT_STATUS_NO_SUCH_ALIAS;
1290
1291         if ( !(r_u->ctr = TALLOC_ZERO_P( p->mem_ctx, ALIAS_INFO_CTR )) )
1292                 return NT_STATUS_NO_MEMORY;
1293
1294
1295         switch (q_u->level ) {
1296         case 1:
1297                 r_u->ctr->level = 1;
1298                 init_samr_alias_info1(&r_u->ctr->alias.info1, info.acct_name, 1, info.acct_desc);
1299                 break;
1300         case 3:
1301                 r_u->ctr->level = 3;
1302                 init_samr_alias_info3(&r_u->ctr->alias.info3, info.acct_desc);
1303                 break;
1304         default:
1305                 return NT_STATUS_INVALID_INFO_CLASS;
1306         }
1307
1308         DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__));
1309
1310         return r_u->status;
1311 }
1312
1313 #if 0
1314 /*******************************************************************
1315  samr_reply_lookup_ids
1316  ********************************************************************/
1317
1318  uint32 _samr_lookup_ids(pipes_struct *p, SAMR_Q_LOOKUP_IDS *q_u, SAMR_R_LOOKUP_IDS *r_u)
1319 {
1320     uint32 rid[MAX_SAM_ENTRIES];
1321     int num_rids = q_u->num_sids1;
1322
1323     r_u->status = NT_STATUS_OK;
1324
1325     DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
1326
1327     if (num_rids > MAX_SAM_ENTRIES) {
1328         num_rids = MAX_SAM_ENTRIES;
1329         DEBUG(5,("_samr_lookup_ids: truncating entries to %d\n", num_rids));
1330     }
1331
1332 #if 0
1333     int i;
1334     SMB_ASSERT_ARRAY(q_u->uni_user_name, num_rids);
1335
1336     for (i = 0; i < num_rids && status == 0; i++)
1337     {
1338         struct sam_passwd *sam_pass;
1339         fstring user_name;
1340
1341
1342         fstrcpy(user_name, unistrn2(q_u->uni_user_name[i].buffer,
1343                                     q_u->uni_user_name[i].uni_str_len));
1344
1345         /* find the user account */
1346         become_root();
1347         sam_pass = get_smb21pwd_entry(user_name, 0);
1348         unbecome_root();
1349
1350         if (sam_pass == NULL)
1351         {
1352             status = 0xC0000000 | NT_STATUS_NO_SUCH_USER;
1353             rid[i] = 0;
1354         }
1355         else
1356         {
1357             rid[i] = sam_pass->user_rid;
1358         }
1359     }
1360 #endif
1361
1362     num_rids = 1;
1363     rid[0] = BUILTIN_ALIAS_RID_USERS;
1364
1365     init_samr_r_lookup_ids(&r_u, num_rids, rid, NT_STATUS_OK);
1366
1367     DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
1368
1369     return r_u->status;
1370 }
1371 #endif
1372
1373 /*******************************************************************
1374  _samr_lookup_names
1375  ********************************************************************/
1376
1377 NTSTATUS _samr_lookup_names(pipes_struct *p, SAMR_Q_LOOKUP_NAMES *q_u, SAMR_R_LOOKUP_NAMES *r_u)
1378 {
1379         uint32 rid[MAX_SAM_ENTRIES];
1380         enum SID_NAME_USE type[MAX_SAM_ENTRIES];
1381         int i;
1382         int num_rids = q_u->num_names2;
1383         DOM_SID pol_sid;
1384         fstring sid_str;
1385         uint32  acc_granted;
1386
1387         r_u->status = NT_STATUS_OK;
1388
1389         DEBUG(5,("_samr_lookup_names: %d\n", __LINE__));
1390
1391         ZERO_ARRAY(rid);
1392         ZERO_ARRAY(type);
1393
1394         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted, NULL)) {
1395                 init_samr_r_lookup_names(p->mem_ctx, r_u, 0, NULL, NULL, NT_STATUS_OBJECT_TYPE_MISMATCH);
1396                 return r_u->status;
1397         }
1398
1399         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, 0, "_samr_lookup_names"))) { /* Don't know the acc_bits yet */
1400                 return r_u->status;
1401         }
1402
1403         if (num_rids > MAX_SAM_ENTRIES) {
1404                 num_rids = MAX_SAM_ENTRIES;
1405                 DEBUG(5,("_samr_lookup_names: truncating entries to %d\n", num_rids));
1406         }
1407
1408         DEBUG(5,("_samr_lookup_names: looking name on SID %s\n", sid_to_string(sid_str, &pol_sid)));
1409
1410         for (i = 0; i < num_rids; i++) {
1411                 fstring name;
1412                 int ret;
1413
1414                 r_u->status = NT_STATUS_NONE_MAPPED;
1415                 type[i] = SID_NAME_UNKNOWN;
1416
1417                 rid [i] = 0xffffffff;
1418
1419                 ret = rpcstr_pull(name, q_u->uni_name[i].buffer, sizeof(name), q_u->uni_name[i].uni_str_len*2, 0);
1420
1421                 if (ret <= 0) {
1422                         continue;
1423                 }
1424
1425                 if (sid_check_is_builtin(&pol_sid)) {
1426                         if (lookup_builtin_name(name, &rid[i])) {
1427                                 type[i] = SID_NAME_ALIAS;
1428                         }
1429                 } else {
1430                         lookup_global_sam_name(name, 0, &rid[i], &type[i]);
1431                 }
1432
1433                 if (type[i] != SID_NAME_UNKNOWN) {
1434                         r_u->status = NT_STATUS_OK;
1435                 }
1436         }
1437
1438         init_samr_r_lookup_names(p->mem_ctx, r_u, num_rids, rid, type, r_u->status);
1439
1440         DEBUG(5,("_samr_lookup_names: %d\n", __LINE__));
1441
1442         return r_u->status;
1443 }
1444
1445 /*******************************************************************
1446  _samr_chgpasswd_user
1447  ********************************************************************/
1448
1449 NTSTATUS _samr_chgpasswd_user(pipes_struct *p, SAMR_Q_CHGPASSWD_USER *q_u, SAMR_R_CHGPASSWD_USER *r_u)
1450 {
1451         fstring user_name;
1452         fstring wks;
1453
1454         DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__));
1455
1456         r_u->status = NT_STATUS_OK;
1457
1458         rpcstr_pull(user_name, q_u->uni_user_name.buffer, sizeof(user_name), q_u->uni_user_name.uni_str_len*2, 0);
1459         rpcstr_pull(wks, q_u->uni_dest_host.buffer, sizeof(wks), q_u->uni_dest_host.uni_str_len*2,0);
1460
1461         DEBUG(5,("samr_chgpasswd_user: user: %s wks: %s\n", user_name, wks));
1462
1463         /*
1464          * Pass the user through the NT -> unix user mapping
1465          * function.
1466          */
1467
1468         (void)map_username(user_name);
1469
1470         /*
1471          * UNIX username case mangling not required, pass_oem_change
1472          * is case insensitive.
1473          */
1474
1475         r_u->status = pass_oem_change(user_name, q_u->lm_newpass.pass, q_u->lm_oldhash.hash,
1476                                 q_u->nt_newpass.pass, q_u->nt_oldhash.hash, NULL);
1477
1478         init_samr_r_chgpasswd_user(r_u, r_u->status);
1479
1480         DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__));
1481
1482         return r_u->status;
1483 }
1484
1485 /*******************************************************************
1486  _samr_chgpasswd_user3
1487  ********************************************************************/
1488
1489 NTSTATUS _samr_chgpasswd_user3(pipes_struct *p, SAMR_Q_CHGPASSWD_USER3 *q_u, SAMR_R_CHGPASSWD_USER3 *r_u)
1490 {
1491         fstring user_name;
1492         fstring wks;
1493         uint32 reject_reason;
1494         SAM_UNK_INFO_1 *info = NULL;
1495         SAMR_CHANGE_REJECT *reject = NULL;
1496
1497         DEBUG(5,("_samr_chgpasswd_user3: %d\n", __LINE__));
1498
1499         rpcstr_pull(user_name, q_u->uni_user_name.buffer, sizeof(user_name), q_u->uni_user_name.uni_str_len*2, 0);
1500         rpcstr_pull(wks, q_u->uni_dest_host.buffer, sizeof(wks), q_u->uni_dest_host.uni_str_len*2,0);
1501
1502         DEBUG(5,("_samr_chgpasswd_user3: user: %s wks: %s\n", user_name, wks));
1503
1504         /*
1505          * Pass the user through the NT -> unix user mapping
1506          * function.
1507          */
1508
1509         (void)map_username(user_name);
1510
1511         /*
1512          * UNIX username case mangling not required, pass_oem_change
1513          * is case insensitive.
1514          */
1515
1516         r_u->status = pass_oem_change(user_name, q_u->lm_newpass.pass, q_u->lm_oldhash.hash,
1517                                       q_u->nt_newpass.pass, q_u->nt_oldhash.hash, &reject_reason);
1518
1519         if (NT_STATUS_EQUAL(r_u->status, NT_STATUS_PASSWORD_RESTRICTION) ||
1520             NT_STATUS_EQUAL(r_u->status, NT_STATUS_ACCOUNT_RESTRICTION)) {
1521
1522                 uint32 min_pass_len,pass_hist,password_properties;
1523                 time_t u_expire, u_min_age;
1524                 NTTIME nt_expire, nt_min_age;
1525                 uint32 account_policy_temp;
1526
1527                 if ((info = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_INFO_1)) == NULL) {
1528                         return NT_STATUS_NO_MEMORY;
1529                 }
1530
1531                 if ((reject = TALLOC_ZERO_P(p->mem_ctx, SAMR_CHANGE_REJECT)) == NULL) {
1532                         return NT_STATUS_NO_MEMORY;
1533                 }
1534
1535                 ZERO_STRUCTP(info);
1536                 ZERO_STRUCTP(reject);
1537
1538                 become_root();
1539
1540                 /* AS ROOT !!! */
1541
1542                 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
1543                 min_pass_len = account_policy_temp;
1544
1545                 pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
1546                 pass_hist = account_policy_temp;
1547
1548                 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
1549                 password_properties = account_policy_temp;
1550
1551                 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
1552                 u_expire = account_policy_temp;
1553
1554                 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
1555                 u_min_age = account_policy_temp;
1556
1557                 /* !AS ROOT */
1558
1559                 unbecome_root();
1560
1561                 unix_to_nt_time_abs(&nt_expire, u_expire);
1562                 unix_to_nt_time_abs(&nt_min_age, u_min_age);
1563
1564                 init_unk_info1(info, (uint16)min_pass_len, (uint16)pass_hist,
1565                                password_properties, nt_expire, nt_min_age);
1566
1567                 reject->reject_reason = reject_reason;
1568         }
1569
1570         init_samr_r_chgpasswd_user3(r_u, r_u->status, reject, info);
1571
1572         DEBUG(5,("_samr_chgpasswd_user3: %d\n", __LINE__));
1573
1574         return r_u->status;
1575 }
1576
1577 /*******************************************************************
1578 makes a SAMR_R_LOOKUP_RIDS structure.
1579 ********************************************************************/
1580
1581 static BOOL make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
1582                                   const char **names, UNIHDR **pp_hdr_name,
1583                                   UNISTR2 **pp_uni_name)
1584 {
1585         uint32 i;
1586         UNIHDR *hdr_name=NULL;
1587         UNISTR2 *uni_name=NULL;
1588
1589         *pp_uni_name = NULL;
1590         *pp_hdr_name = NULL;
1591
1592         if (num_names != 0) {
1593                 hdr_name = TALLOC_ZERO_ARRAY(ctx, UNIHDR, num_names);
1594                 if (hdr_name == NULL)
1595                         return False;
1596
1597                 uni_name = TALLOC_ZERO_ARRAY(ctx,UNISTR2, num_names);
1598                 if (uni_name == NULL)
1599                         return False;
1600         }
1601
1602         for (i = 0; i < num_names; i++) {
1603                 DEBUG(10, ("names[%d]:%s\n", i, names[i] && *names[i] ? names[i] : ""));
1604                 init_unistr2(&uni_name[i], names[i], UNI_FLAGS_NONE);
1605                 init_uni_hdr(&hdr_name[i], &uni_name[i]);
1606         }
1607
1608         *pp_uni_name = uni_name;
1609         *pp_hdr_name = hdr_name;
1610
1611         return True;
1612 }
1613
1614 /*******************************************************************
1615  _samr_lookup_rids
1616  ********************************************************************/
1617
1618 NTSTATUS _samr_lookup_rids(pipes_struct *p, SAMR_Q_LOOKUP_RIDS *q_u, SAMR_R_LOOKUP_RIDS *r_u)
1619 {
1620         const char **names;
1621         enum SID_NAME_USE *attrs = NULL;
1622         uint32 *wire_attrs = NULL;
1623         UNIHDR *hdr_name = NULL;
1624         UNISTR2 *uni_name = NULL;
1625         DOM_SID pol_sid;
1626         int num_rids = q_u->num_rids1;
1627         uint32 acc_granted;
1628         int i;
1629
1630         r_u->status = NT_STATUS_OK;
1631
1632         DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
1633
1634         /* find the policy handle.  open a policy on it. */
1635         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted, NULL))
1636                 return NT_STATUS_INVALID_HANDLE;
1637
1638         if (num_rids > 1000) {
1639                 DEBUG(0, ("Got asked for %d rids (more than 1000) -- according "
1640                           "to samba4 idl this is not possible\n", num_rids));
1641                 return NT_STATUS_UNSUCCESSFUL;
1642         }
1643
1644         names = TALLOC_ZERO_ARRAY(p->mem_ctx, const char *, num_rids);
1645         attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, enum SID_NAME_USE, num_rids);
1646         wire_attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids);
1647
1648         if ((num_rids != 0) && ((names == NULL) || (attrs == NULL) || wire_attrs))
1649                 return NT_STATUS_NO_MEMORY;
1650
1651         become_root();  /* lookup_sid can require root privs */
1652         r_u->status = pdb_lookup_rids(&pol_sid, num_rids, q_u->rid,
1653                                       names, attrs);
1654         unbecome_root();
1655
1656         if ( NT_STATUS_EQUAL(r_u->status, NT_STATUS_NONE_MAPPED) && (num_rids == 0) ) {
1657                 r_u->status = NT_STATUS_OK;
1658         }
1659
1660         if(!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
1661                                   &hdr_name, &uni_name))
1662                 return NT_STATUS_NO_MEMORY;
1663
1664         /* Convert from enum SID_NAME_USE to uint32 for wire format. */
1665         for (i = 0; i < num_rids; i++) {
1666                 wire_attrs[i] = (uint32)attrs[i];
1667         }
1668
1669         init_samr_r_lookup_rids(r_u, num_rids, hdr_name, uni_name, wire_attrs);
1670
1671         DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
1672
1673         return r_u->status;
1674 }
1675
1676 /*******************************************************************
1677  _samr_open_user. Safe - gives out no passwd info.
1678  ********************************************************************/
1679
1680 NTSTATUS _samr_open_user(pipes_struct *p, SAMR_Q_OPEN_USER *q_u, SAMR_R_OPEN_USER *r_u)
1681 {
1682         struct samu *sampass=NULL;
1683         DOM_SID sid;
1684         POLICY_HND domain_pol = q_u->domain_pol;
1685         POLICY_HND *user_pol = &r_u->user_pol;
1686         struct samr_info *info = NULL;
1687         SEC_DESC *psd = NULL;
1688         uint32    acc_granted;
1689         uint32    des_access = q_u->access_mask;
1690         size_t    sd_size;
1691         BOOL ret;
1692         NTSTATUS nt_status;
1693         SE_PRIV se_rights;
1694
1695         r_u->status = NT_STATUS_OK;
1696
1697         /* find the domain policy handle and get domain SID / access bits in the domain policy. */
1698
1699         if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
1700                 return NT_STATUS_INVALID_HANDLE;
1701
1702         nt_status = access_check_samr_function( acc_granted,
1703                 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_user" );
1704
1705         if ( !NT_STATUS_IS_OK(nt_status) )
1706                 return nt_status;
1707
1708         if ( !(sampass = samu_new( p->mem_ctx )) ) {
1709                 return NT_STATUS_NO_MEMORY;
1710         }
1711
1712         /* append the user's RID to it */
1713
1714         if (!sid_append_rid(&sid, q_u->user_rid))
1715                 return NT_STATUS_NO_SUCH_USER;
1716
1717         /* check if access can be granted as requested by client. */
1718
1719         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
1720         se_map_generic(&des_access, &usr_generic_mapping);
1721
1722         se_priv_copy( &se_rights, &se_machine_account );
1723         se_priv_add( &se_rights, &se_add_users );
1724
1725         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
1726                 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
1727                 &acc_granted, "_samr_open_user");
1728
1729         if ( !NT_STATUS_IS_OK(nt_status) )
1730                 return nt_status;
1731
1732         become_root();
1733         ret=pdb_getsampwsid(sampass, &sid);
1734         unbecome_root();
1735
1736         /* check that the SID exists in our domain. */
1737         if (ret == False) {
1738                 return NT_STATUS_NO_SUCH_USER;
1739         }
1740
1741         TALLOC_FREE(sampass);
1742
1743         /* associate the user's SID and access bits with the new handle. */
1744         if ((info = get_samr_info_by_sid(&sid)) == NULL)
1745                 return NT_STATUS_NO_MEMORY;
1746         info->acc_granted = acc_granted;
1747
1748         /* get a (unique) handle.  open a policy on it. */
1749         if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info))
1750                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1751
1752         return r_u->status;
1753 }
1754
1755 /*************************************************************************
1756  get_user_info_7. Safe. Only gives out account_name.
1757  *************************************************************************/
1758
1759 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx, SAM_USER_INFO_7 *id7, DOM_SID *user_sid)
1760 {
1761         struct samu *smbpass=NULL;
1762         BOOL ret;
1763
1764         if ( !(smbpass = samu_new( mem_ctx )) ) {
1765                 return NT_STATUS_NO_MEMORY;
1766         }
1767
1768         become_root();
1769         ret = pdb_getsampwsid(smbpass, user_sid);
1770         unbecome_root();
1771
1772         if ( !ret ) {
1773                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1774                 return NT_STATUS_NO_SUCH_USER;
1775         }
1776
1777         DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1778
1779         ZERO_STRUCTP(id7);
1780         init_sam_user_info7(id7, pdb_get_username(smbpass) );
1781
1782         TALLOC_FREE(smbpass);
1783
1784         return NT_STATUS_OK;
1785 }
1786
1787 /*************************************************************************
1788  get_user_info_9. Only gives out primary group SID.
1789  *************************************************************************/
1790 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx, SAM_USER_INFO_9 * id9, DOM_SID *user_sid)
1791 {
1792         struct samu *smbpass=NULL;
1793         BOOL ret;
1794
1795         if ( !(smbpass = samu_new( mem_ctx )) ) {
1796                 return NT_STATUS_NO_MEMORY;
1797         }
1798
1799         become_root();
1800         ret = pdb_getsampwsid(smbpass, user_sid);
1801         unbecome_root();
1802
1803         if (ret==False) {
1804                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1805                 return NT_STATUS_NO_SUCH_USER;
1806         }
1807
1808         DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1809
1810         ZERO_STRUCTP(id9);
1811         init_sam_user_info9(id9, pdb_get_group_rid(smbpass) );
1812
1813         TALLOC_FREE(smbpass);
1814
1815         return NT_STATUS_OK;
1816 }
1817
1818 /*************************************************************************
1819  get_user_info_16. Safe. Only gives out acb bits.
1820  *************************************************************************/
1821
1822 static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx, SAM_USER_INFO_16 *id16, DOM_SID *user_sid)
1823 {
1824         struct samu *smbpass=NULL;
1825         BOOL ret;
1826
1827         if ( !(smbpass = samu_new( mem_ctx )) ) {
1828                 return NT_STATUS_NO_MEMORY;
1829         }
1830
1831         become_root();
1832         ret = pdb_getsampwsid(smbpass, user_sid);
1833         unbecome_root();
1834
1835         if (ret==False) {
1836                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1837                 return NT_STATUS_NO_SUCH_USER;
1838         }
1839
1840         DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1841
1842         ZERO_STRUCTP(id16);
1843         init_sam_user_info16(id16, pdb_get_acct_ctrl(smbpass) );
1844
1845         TALLOC_FREE(smbpass);
1846
1847         return NT_STATUS_OK;
1848 }
1849
1850 /*************************************************************************
1851  get_user_info_18. OK - this is the killer as it gives out password info.
1852  Ensure that this is only allowed on an encrypted connection with a root
1853  user. JRA.
1854  *************************************************************************/
1855
1856 static NTSTATUS get_user_info_18(pipes_struct *p, TALLOC_CTX *mem_ctx, SAM_USER_INFO_18 * id18, DOM_SID *user_sid)
1857 {
1858         struct samu *smbpass=NULL;
1859         BOOL ret;
1860
1861         if (p->auth.auth_type != PIPE_AUTH_TYPE_NTLMSSP || p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP) {
1862                 return NT_STATUS_ACCESS_DENIED;
1863         }
1864
1865         if (p->auth.auth_level != PIPE_AUTH_LEVEL_PRIVACY) {
1866                 return NT_STATUS_ACCESS_DENIED;
1867         }
1868
1869         /*
1870          * Do *NOT* do become_root()/unbecome_root() here ! JRA.
1871          */
1872
1873         if ( !(smbpass = samu_new( mem_ctx )) ) {
1874                 return NT_STATUS_NO_MEMORY;
1875         }
1876
1877         ret = pdb_getsampwsid(smbpass, user_sid);
1878
1879         if (ret == False) {
1880                 DEBUG(4, ("User %s not found\n", sid_string_static(user_sid)));
1881                 TALLOC_FREE(smbpass);
1882                 return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
1883         }
1884
1885         DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
1886
1887         if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
1888                 TALLOC_FREE(smbpass);
1889                 return NT_STATUS_ACCOUNT_DISABLED;
1890         }
1891
1892         ZERO_STRUCTP(id18);
1893         init_sam_user_info18(id18, pdb_get_lanman_passwd(smbpass), pdb_get_nt_passwd(smbpass));
1894
1895         TALLOC_FREE(smbpass);
1896
1897         return NT_STATUS_OK;
1898 }
1899
1900 /*************************************************************************
1901  get_user_info_20
1902  *************************************************************************/
1903
1904 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx, SAM_USER_INFO_20 *id20, DOM_SID *user_sid)
1905 {
1906         struct samu *sampass=NULL;
1907         BOOL ret;
1908
1909         if ( !(sampass = samu_new( mem_ctx )) ) {
1910                 return NT_STATUS_NO_MEMORY;
1911         }
1912
1913         become_root();
1914         ret = pdb_getsampwsid(sampass, user_sid);
1915         unbecome_root();
1916
1917         if (ret == False) {
1918                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1919                 return NT_STATUS_NO_SUCH_USER;
1920         }
1921
1922         samr_clear_sam_passwd(sampass);
1923
1924         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
1925
1926         ZERO_STRUCTP(id20);
1927         init_sam_user_info20A(id20, sampass);
1928
1929         TALLOC_FREE(sampass);
1930
1931         return NT_STATUS_OK;
1932 }
1933
1934 /*************************************************************************
1935  get_user_info_21
1936  *************************************************************************/
1937
1938 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21,
1939                                  DOM_SID *user_sid, DOM_SID *domain_sid)
1940 {
1941         struct samu *sampass=NULL;
1942         BOOL ret;
1943         NTSTATUS nt_status;
1944
1945         if ( !(sampass = samu_new( mem_ctx )) ) {
1946                 return NT_STATUS_NO_MEMORY;
1947         }
1948
1949         become_root();
1950         ret = pdb_getsampwsid(sampass, user_sid);
1951         unbecome_root();
1952
1953         if (ret == False) {
1954                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1955                 return NT_STATUS_NO_SUCH_USER;
1956         }
1957
1958         samr_clear_sam_passwd(sampass);
1959
1960         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
1961
1962         ZERO_STRUCTP(id21);
1963         nt_status = init_sam_user_info21A(id21, sampass, domain_sid);
1964
1965         TALLOC_FREE(sampass);
1966
1967         return nt_status;
1968 }
1969
1970 /*******************************************************************
1971  _samr_query_userinfo
1972  ********************************************************************/
1973
1974 NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_R_QUERY_USERINFO *r_u)
1975 {
1976         SAM_USERINFO_CTR *ctr;
1977         struct samr_info *info = NULL;
1978         DOM_SID domain_sid;
1979         uint32 rid;
1980
1981         r_u->status=NT_STATUS_OK;
1982
1983         /* search for the handle */
1984         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1985                 return NT_STATUS_INVALID_HANDLE;
1986
1987         domain_sid = info->sid;
1988
1989         sid_split_rid(&domain_sid, &rid);
1990
1991         if (!sid_check_is_in_our_domain(&info->sid))
1992                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1993
1994         DEBUG(5,("_samr_query_userinfo: sid:%s\n", sid_string_static(&info->sid)));
1995
1996         ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_USERINFO_CTR);
1997         if (!ctr)
1998                 return NT_STATUS_NO_MEMORY;
1999
2000         ZERO_STRUCTP(ctr);
2001
2002         /* ok!  user info levels (lots: see MSDEV help), off we go... */
2003         ctr->switch_value = q_u->switch_value;
2004
2005         DEBUG(5,("_samr_query_userinfo: user info level: %d\n", q_u->switch_value));
2006
2007         switch (q_u->switch_value) {
2008         case 7:
2009                 ctr->info.id7 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_7);
2010                 if (ctr->info.id7 == NULL)
2011                         return NT_STATUS_NO_MEMORY;
2012
2013                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_7(p->mem_ctx, ctr->info.id7, &info->sid)))
2014                         return r_u->status;
2015                 break;
2016         case 9:
2017                 ctr->info.id9 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_9);
2018                 if (ctr->info.id9 == NULL)
2019                         return NT_STATUS_NO_MEMORY;
2020
2021                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_9(p->mem_ctx, ctr->info.id9, &info->sid)))
2022                         return r_u->status;
2023                 break;
2024         case 16:
2025                 ctr->info.id16 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_16);
2026                 if (ctr->info.id16 == NULL)
2027                         return NT_STATUS_NO_MEMORY;
2028
2029                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_16(p->mem_ctx, ctr->info.id16, &info->sid)))
2030                         return r_u->status;
2031                 break;
2032
2033         case 18:
2034                 ctr->info.id18 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_18);
2035                 if (ctr->info.id18 == NULL)
2036                         return NT_STATUS_NO_MEMORY;
2037
2038                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_18(p, p->mem_ctx, ctr->info.id18, &info->sid)))
2039                         return r_u->status;
2040                 break;
2041
2042         case 20:
2043                 ctr->info.id20 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_20);
2044                 if (ctr->info.id20 == NULL)
2045                         return NT_STATUS_NO_MEMORY;
2046                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_20(p->mem_ctx, ctr->info.id20, &info->sid)))
2047                         return r_u->status;
2048                 break;
2049
2050         case 21:
2051                 ctr->info.id21 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_21);
2052                 if (ctr->info.id21 == NULL)
2053                         return NT_STATUS_NO_MEMORY;
2054                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_21(p->mem_ctx, ctr->info.id21,
2055                                                                     &info->sid, &domain_sid)))
2056                         return r_u->status;
2057                 break;
2058
2059         default:
2060                 return NT_STATUS_INVALID_INFO_CLASS;
2061         }
2062
2063         init_samr_r_query_userinfo(r_u, ctr, r_u->status);
2064
2065         DEBUG(5,("_samr_query_userinfo: %d\n", __LINE__));
2066
2067         return r_u->status;
2068 }
2069
2070 /*******************************************************************
2071  samr_reply_query_usergroups
2072  ********************************************************************/
2073
2074 NTSTATUS _samr_query_usergroups(pipes_struct *p, SAMR_Q_QUERY_USERGROUPS *q_u, SAMR_R_QUERY_USERGROUPS *r_u)
2075 {
2076         struct samu *sam_pass=NULL;
2077         DOM_SID  sid;
2078         DOM_SID *sids;
2079         DOM_GID dom_gid;
2080         DOM_GID *gids = NULL;
2081         uint32 primary_group_rid;
2082         size_t num_groups = 0;
2083         gid_t *unix_gids;
2084         size_t i, num_gids;
2085         uint32 acc_granted;
2086         BOOL ret;
2087         NTSTATUS result;
2088
2089         /*
2090          * from the SID in the request:
2091          * we should send back the list of DOMAIN GROUPS
2092          * the user is a member of
2093          *
2094          * and only the DOMAIN GROUPS
2095          * no ALIASES !!! neither aliases of the domain
2096          * nor aliases of the builtin SID
2097          *
2098          * JFM, 12/2/2001
2099          */
2100
2101         r_u->status = NT_STATUS_OK;
2102
2103         DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
2104
2105         /* find the policy handle.  open a policy on it. */
2106         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted, NULL))
2107                 return NT_STATUS_INVALID_HANDLE;
2108
2109         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_USER_GET_GROUPS, "_samr_query_usergroups"))) {
2110                 return r_u->status;
2111         }
2112
2113         if (!sid_check_is_in_our_domain(&sid))
2114                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2115
2116         if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
2117                 return NT_STATUS_NO_MEMORY;
2118         }
2119
2120         become_root();
2121         ret = pdb_getsampwsid(sam_pass, &sid);
2122         unbecome_root();
2123
2124         if (!ret) {
2125                 DEBUG(10, ("pdb_getsampwsid failed for %s\n",
2126                            sid_string_static(&sid)));
2127                 return NT_STATUS_NO_SUCH_USER;
2128         }
2129
2130         sids = NULL;
2131
2132         become_root();
2133         result = pdb_enum_group_memberships(p->mem_ctx, sam_pass,
2134                                             &sids, &unix_gids, &num_groups);
2135         unbecome_root();
2136
2137         if (!NT_STATUS_IS_OK(result)) {
2138                 DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
2139                            sid_string_static(&sid)));
2140                 return result;
2141         }
2142
2143         gids = NULL;
2144         num_gids = 0;
2145
2146         dom_gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
2147                         SE_GROUP_ENABLED);
2148
2149         if (!sid_peek_check_rid(get_global_sam_sid(),
2150                                 pdb_get_group_sid(sam_pass),
2151                                 &primary_group_rid)) {
2152                 DEBUG(5, ("Group sid %s for user %s not in our domain\n",
2153                           sid_string_static(pdb_get_group_sid(sam_pass)),
2154                           pdb_get_username(sam_pass)));
2155                 TALLOC_FREE(sam_pass);
2156                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2157         }
2158
2159         dom_gid.g_rid = primary_group_rid;
2160
2161         ADD_TO_ARRAY(p->mem_ctx, DOM_GID, dom_gid, &gids, &num_gids);
2162
2163         for (i=0; i<num_groups; i++) {
2164
2165                 if (!sid_peek_check_rid(get_global_sam_sid(),
2166                                         &(sids[i]), &dom_gid.g_rid)) {
2167                         DEBUG(10, ("Found sid %s not in our domain\n",
2168                                    sid_string_static(&sids[i])));
2169                         continue;
2170                 }
2171
2172                 if (dom_gid.g_rid == primary_group_rid) {
2173                         /* We added the primary group directly from the
2174                          * sam_account. The other SIDs are unique from
2175                          * enum_group_memberships */
2176                         continue;
2177                 }
2178
2179                 ADD_TO_ARRAY(p->mem_ctx, DOM_GID, dom_gid, &gids, &num_gids);
2180         }
2181
2182         /* construct the response.  lkclXXXX: gids are not copied! */
2183         init_samr_r_query_usergroups(r_u, num_gids, gids, r_u->status);
2184
2185         DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
2186
2187         return r_u->status;
2188 }
2189
2190 /*******************************************************************
2191  _samr_query_domain_info
2192  ********************************************************************/
2193
2194 NTSTATUS _samr_query_domain_info(pipes_struct *p,
2195                                  SAMR_Q_QUERY_DOMAIN_INFO *q_u,
2196                                  SAMR_R_QUERY_DOMAIN_INFO *r_u)
2197 {
2198         struct samr_info *info = NULL;
2199         SAM_UNK_CTR *ctr;
2200         uint32 min_pass_len,pass_hist,password_properties;
2201         time_t u_expire, u_min_age;
2202         NTTIME nt_expire, nt_min_age;
2203
2204         time_t u_lock_duration, u_reset_time;
2205         NTTIME nt_lock_duration, nt_reset_time;
2206         uint32 lockout;
2207         time_t u_logout;
2208         NTTIME nt_logout;
2209
2210         uint32 account_policy_temp;
2211
2212         time_t seq_num;
2213         uint32 server_role;
2214
2215         uint32 num_users=0, num_groups=0, num_aliases=0;
2216
2217         if ((ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_CTR)) == NULL) {
2218                 return NT_STATUS_NO_MEMORY;
2219         }
2220
2221         ZERO_STRUCTP(ctr);
2222
2223         r_u->status = NT_STATUS_OK;
2224
2225         DEBUG(5,("_samr_query_domain_info: %d\n", __LINE__));
2226
2227         /* find the policy handle.  open a policy on it. */
2228         if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)(void *)&info)) {
2229                 return NT_STATUS_INVALID_HANDLE;
2230         }
2231
2232         switch (q_u->switch_value) {
2233                 case 0x01:
2234
2235                         become_root();
2236
2237                         /* AS ROOT !!! */
2238
2239                         pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
2240                         min_pass_len = account_policy_temp;
2241
2242                         pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
2243                         pass_hist = account_policy_temp;
2244
2245                         pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
2246                         password_properties = account_policy_temp;
2247
2248                         pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2249                         u_expire = account_policy_temp;
2250
2251                         pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2252                         u_min_age = account_policy_temp;
2253
2254                         /* !AS ROOT */
2255
2256                         unbecome_root();
2257
2258                         unix_to_nt_time_abs(&nt_expire, u_expire);
2259                         unix_to_nt_time_abs(&nt_min_age, u_min_age);
2260
2261                         init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist,
2262                                        password_properties, nt_expire, nt_min_age);
2263                         break;
2264                 case 0x02:
2265
2266                         become_root();
2267
2268                         /* AS ROOT !!! */
2269
2270                         num_users = count_sam_users(info->disp_info, ACB_NORMAL);
2271                         num_groups = count_sam_groups(info->disp_info);
2272                         num_aliases = count_sam_aliases(info->disp_info);
2273
2274                         pdb_get_account_policy(AP_TIME_TO_LOGOUT, &account_policy_temp);
2275                         u_logout = account_policy_temp;
2276
2277                         unix_to_nt_time_abs(&nt_logout, u_logout);
2278
2279                         if (!pdb_get_seq_num(&seq_num))
2280                                 seq_num = time(NULL);
2281
2282                         /* !AS ROOT */
2283
2284                         unbecome_root();
2285
2286                         server_role = ROLE_DOMAIN_PDC;
2287                         if (lp_server_role() == ROLE_DOMAIN_BDC)
2288                                 server_role = ROLE_DOMAIN_BDC;
2289
2290                         init_unk_info2(&ctr->info.inf2, lp_serverstring(), lp_workgroup(), global_myname(), seq_num,
2291                                        num_users, num_groups, num_aliases, nt_logout, server_role);
2292                         break;
2293                 case 0x03:
2294
2295                         become_root();
2296
2297                         /* AS ROOT !!! */
2298
2299                         {
2300                                 uint32 ul;
2301                                 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &ul);
2302                                 u_logout = (time_t)ul;
2303                         }
2304
2305                         /* !AS ROOT */
2306
2307                         unbecome_root();
2308
2309                         unix_to_nt_time_abs(&nt_logout, u_logout);
2310
2311                         init_unk_info3(&ctr->info.inf3, nt_logout);
2312                         break;
2313                 case 0x04:
2314                         init_unk_info4(&ctr->info.inf4, lp_serverstring());
2315                         break;
2316                 case 0x05:
2317                         init_unk_info5(&ctr->info.inf5, get_global_sam_name());
2318                         break;
2319                 case 0x06:
2320                         /* NT returns its own name when a PDC. win2k and later
2321                          * only the name of the PDC if itself is a BDC (samba4
2322                          * idl) */
2323                         init_unk_info6(&ctr->info.inf6, global_myname());
2324                         break;
2325                 case 0x07:
2326                         server_role = ROLE_DOMAIN_PDC;
2327                         if (lp_server_role() == ROLE_DOMAIN_BDC)
2328                                 server_role = ROLE_DOMAIN_BDC;
2329
2330                         init_unk_info7(&ctr->info.inf7, server_role);
2331                         break;
2332                 case 0x08:
2333
2334                         become_root();
2335
2336                         /* AS ROOT !!! */
2337
2338                         if (!pdb_get_seq_num(&seq_num)) {
2339                                 seq_num = time(NULL);
2340                         }
2341
2342                         /* !AS ROOT */
2343
2344                         unbecome_root();
2345
2346                         init_unk_info8(&ctr->info.inf8, (uint32) seq_num);
2347                         break;
2348                 case 0x0c:
2349
2350                         become_root();
2351
2352                         /* AS ROOT !!! */
2353
2354                         pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
2355                         u_lock_duration = account_policy_temp;
2356                         if (u_lock_duration != -1) {
2357                                 u_lock_duration *= 60;
2358                         }
2359
2360                         pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
2361                         u_reset_time = account_policy_temp * 60;
2362
2363                         pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
2364                         lockout = account_policy_temp;
2365
2366                         /* !AS ROOT */
2367
2368                         unbecome_root();
2369
2370                         unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
2371                         unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
2372
2373                         init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout);
2374                         break;
2375                 default:
2376                         return NT_STATUS_INVALID_INFO_CLASS;
2377                 }
2378
2379
2380         init_samr_r_query_domain_info(r_u, q_u->switch_value, ctr, NT_STATUS_OK);
2381
2382         DEBUG(5,("_samr_query_domain_info: %d\n", __LINE__));
2383
2384         return r_u->status;
2385 }
2386
2387 /* W2k3 seems to use the same check for all 3 objects that can be created via
2388  * SAMR, if you try to create for example "Dialup" as an alias it says
2389  * "NT_STATUS_USER_EXISTS". This is racy, but we can't really lock the user
2390  * database. */
2391
2392 static NTSTATUS can_create(TALLOC_CTX *mem_ctx, const char *new_name)
2393 {
2394         enum SID_NAME_USE type;
2395         BOOL result;
2396
2397         DEBUG(10, ("Checking whether [%s] can be created\n", new_name));
2398
2399         become_root();
2400         /* Lookup in our local databases (only LOOKUP_NAME_ISOLATED set)
2401          * whether the name already exists */
2402         result = lookup_name(mem_ctx, new_name, LOOKUP_NAME_ISOLATED,
2403                              NULL, NULL, NULL, &type);
2404         unbecome_root();
2405
2406         if (!result) {
2407                 DEBUG(10, ("%s does not exist, can create it\n", new_name));
2408                 return NT_STATUS_OK;
2409         }
2410
2411         DEBUG(5, ("trying to create %s, exists as %s\n",
2412                   new_name, sid_type_lookup(type)));
2413
2414         if (type == SID_NAME_DOM_GRP) {
2415                 return NT_STATUS_GROUP_EXISTS;
2416         }
2417         if (type == SID_NAME_ALIAS) {
2418                 return NT_STATUS_ALIAS_EXISTS;
2419         }
2420
2421         /* Yes, the default is NT_STATUS_USER_EXISTS */
2422         return NT_STATUS_USER_EXISTS;
2423 }
2424
2425 /*******************************************************************
2426  _samr_create_user
2427  Create an account, can be either a normal user or a machine.
2428  This funcion will need to be updated for bdc/domain trusts.
2429  ********************************************************************/
2430
2431 NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u,
2432                            SAMR_R_CREATE_USER *r_u)
2433 {
2434         char *account;
2435         DOM_SID sid;
2436         POLICY_HND dom_pol = q_u->domain_pol;
2437         uint16 acb_info = q_u->acb_info;
2438         POLICY_HND *user_pol = &r_u->user_pol;
2439         struct samr_info *info = NULL;
2440         NTSTATUS nt_status;
2441         uint32 acc_granted;
2442         SEC_DESC *psd;
2443         size_t    sd_size;
2444         /* check this, when giving away 'add computer to domain' privs */
2445         uint32    des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
2446         BOOL can_add_account = False;
2447         SE_PRIV se_rights;
2448         DISP_INFO *disp_info = NULL;
2449
2450         /* Get the domain SID stored in the domain policy */
2451         if (!get_lsa_policy_samr_sid(p, &dom_pol, &sid, &acc_granted,
2452                                      &disp_info))
2453                 return NT_STATUS_INVALID_HANDLE;
2454
2455         nt_status = access_check_samr_function(acc_granted,
2456                                                SA_RIGHT_DOMAIN_CREATE_USER,
2457                                                "_samr_create_user");
2458         if (!NT_STATUS_IS_OK(nt_status)) {
2459                 return nt_status;
2460         }
2461
2462         if (!(acb_info == ACB_NORMAL || acb_info == ACB_DOMTRUST ||
2463               acb_info == ACB_WSTRUST || acb_info == ACB_SVRTRUST)) {
2464                 /* Match Win2k, and return NT_STATUS_INVALID_PARAMETER if
2465                    this parameter is not an account type */
2466                 return NT_STATUS_INVALID_PARAMETER;
2467         }
2468
2469         account = rpcstr_pull_unistr2_talloc(p->mem_ctx, &q_u->uni_name);
2470         if (account == NULL) {
2471                 return NT_STATUS_NO_MEMORY;
2472         }
2473
2474         strlower_m(account);
2475
2476         nt_status = can_create(p->mem_ctx, account);
2477         if (!NT_STATUS_IS_OK(nt_status)) {
2478                 return nt_status;
2479         }
2480
2481         /* determine which user right we need to check based on the acb_info */
2482
2483         if ( acb_info & ACB_WSTRUST )
2484         {
2485                 se_priv_copy( &se_rights, &se_machine_account );
2486                 can_add_account = user_has_privileges(
2487                         p->pipe_user.nt_user_token, &se_rights );
2488         }
2489         /* usrmgr.exe (and net rpc trustdom grant) creates a normal user
2490            account for domain trusts and changes the ACB flags later */
2491         else if ( acb_info & ACB_NORMAL &&
2492                   (account[strlen(account)-1] != '$') )
2493         {
2494                 se_priv_copy( &se_rights, &se_add_users );
2495                 can_add_account = user_has_privileges(
2496                         p->pipe_user.nt_user_token, &se_rights );
2497         }
2498         else    /* implicit assumption of a BDC or domain trust account here
2499                  * (we already check the flags earlier) */
2500         {
2501                 if ( lp_enable_privileges() ) {
2502                         /* only Domain Admins can add a BDC or domain trust */
2503                         se_priv_copy( &se_rights, &se_priv_none );
2504                         can_add_account = nt_token_check_domain_rid(
2505                                 p->pipe_user.nt_user_token,
2506                                 DOMAIN_GROUP_RID_ADMINS );
2507                 }
2508         }
2509
2510         DEBUG(5, ("_samr_create_user: %s can add this account : %s\n",
2511                   uidtoname(p->pipe_user.ut.uid),
2512                   can_add_account ? "True":"False" ));
2513
2514         /********** BEGIN Admin BLOCK **********/
2515
2516         if ( can_add_account )
2517                 become_root();
2518
2519         nt_status = pdb_create_user(p->mem_ctx, account, acb_info,
2520                                     &r_u->user_rid);
2521
2522         if ( can_add_account )
2523                 unbecome_root();
2524
2525         /********** END Admin BLOCK **********/
2526
2527         /* now check for failure */
2528
2529         if ( !NT_STATUS_IS_OK(nt_status) )
2530                 return nt_status;
2531
2532         /* Get the user's SID */
2533
2534         sid_compose(&sid, get_global_sam_sid(), r_u->user_rid);
2535
2536         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
2537                             &sid, SAMR_USR_RIGHTS_WRITE_PW);
2538         se_map_generic(&des_access, &usr_generic_mapping);
2539
2540         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2541                 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
2542                 &acc_granted, "_samr_create_user");
2543
2544         if ( !NT_STATUS_IS_OK(nt_status) ) {
2545                 return nt_status;
2546         }
2547
2548         /* associate the user's SID with the new handle. */
2549         if ((info = get_samr_info_by_sid(&sid)) == NULL) {
2550                 return NT_STATUS_NO_MEMORY;
2551         }
2552
2553         ZERO_STRUCTP(info);
2554         info->sid = sid;
2555         info->acc_granted = acc_granted;
2556
2557         /* get a (unique) handle.  open a policy on it. */
2558         if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info)) {
2559                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2560         }
2561
2562         /* After a "set" ensure we have no cached display info. */
2563         force_flush_samr_cache(info->disp_info);
2564
2565         r_u->access_granted = acc_granted;
2566
2567         return NT_STATUS_OK;
2568 }
2569
2570 /*******************************************************************
2571  samr_reply_connect_anon
2572  ********************************************************************/
2573
2574 NTSTATUS _samr_connect_anon(pipes_struct *p, SAMR_Q_CONNECT_ANON *q_u, SAMR_R_CONNECT_ANON *r_u)
2575 {
2576         struct samr_info *info = NULL;
2577         uint32    des_access = q_u->access_mask;
2578
2579         /* Access check */
2580
2581         if (!pipe_access_check(p)) {
2582                 DEBUG(3, ("access denied to samr_connect_anon\n"));
2583                 r_u->status = NT_STATUS_ACCESS_DENIED;
2584                 return r_u->status;
2585         }
2586
2587         /* set up the SAMR connect_anon response */
2588
2589         r_u->status = NT_STATUS_OK;
2590
2591         /* associate the user's SID with the new handle. */
2592         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2593                 return NT_STATUS_NO_MEMORY;
2594
2595         /* don't give away the farm but this is probably ok.  The SA_RIGHT_SAM_ENUM_DOMAINS
2596            was observed from a win98 client trying to enumerate users (when configured
2597            user level access control on shares)   --jerry */
2598
2599         if (des_access == MAXIMUM_ALLOWED_ACCESS) {
2600                 /* Map to max possible knowing we're filtered below. */
2601                 des_access = GENERIC_ALL_ACCESS;
2602         }
2603
2604         se_map_generic( &des_access, &sam_generic_mapping );
2605         info->acc_granted = des_access & (SA_RIGHT_SAM_ENUM_DOMAINS|SA_RIGHT_SAM_OPEN_DOMAIN);
2606
2607         info->status = q_u->unknown_0;
2608
2609         /* get a (unique) handle.  open a policy on it. */
2610         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2611                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2612
2613         return r_u->status;
2614 }
2615
2616 /*******************************************************************
2617  samr_reply_connect
2618  ********************************************************************/
2619
2620 NTSTATUS _samr_connect(pipes_struct *p, SAMR_Q_CONNECT *q_u, SAMR_R_CONNECT *r_u)
2621 {
2622         struct samr_info *info = NULL;
2623         SEC_DESC *psd = NULL;
2624         uint32    acc_granted;
2625         uint32    des_access = q_u->access_mask;
2626         NTSTATUS  nt_status;
2627         size_t    sd_size;
2628
2629
2630         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2631
2632         /* Access check */
2633
2634         if (!pipe_access_check(p)) {
2635                 DEBUG(3, ("access denied to samr_connect\n"));
2636                 r_u->status = NT_STATUS_ACCESS_DENIED;
2637                 return r_u->status;
2638         }
2639
2640         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2641         se_map_generic(&des_access, &sam_generic_mapping);
2642
2643         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2644                 NULL, 0, des_access, &acc_granted, "_samr_connect");
2645
2646         if ( !NT_STATUS_IS_OK(nt_status) )
2647                 return nt_status;
2648
2649         r_u->status = NT_STATUS_OK;
2650
2651         /* associate the user's SID and access granted with the new handle. */
2652         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2653                 return NT_STATUS_NO_MEMORY;
2654
2655         info->acc_granted = acc_granted;
2656         info->status = q_u->access_mask;
2657
2658         /* get a (unique) handle.  open a policy on it. */
2659         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2660                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2661
2662         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2663
2664         return r_u->status;
2665 }
2666
2667 /*******************************************************************
2668  samr_connect4
2669  ********************************************************************/
2670
2671 NTSTATUS _samr_connect4(pipes_struct *p, SAMR_Q_CONNECT4 *q_u, SAMR_R_CONNECT4 *r_u)
2672 {
2673         struct samr_info *info = NULL;
2674         SEC_DESC *psd = NULL;
2675         uint32    acc_granted;
2676         uint32    des_access = q_u->access_mask;
2677         NTSTATUS  nt_status;
2678         size_t    sd_size;
2679
2680
2681         DEBUG(5,("_samr_connect4: %d\n", __LINE__));
2682
2683         /* Access check */
2684
2685         if (!pipe_access_check(p)) {
2686                 DEBUG(3, ("access denied to samr_connect4\n"));
2687                 r_u->status = NT_STATUS_ACCESS_DENIED;
2688                 return r_u->status;
2689         }
2690
2691         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2692         se_map_generic(&des_access, &sam_generic_mapping);
2693
2694         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2695                 NULL, 0, des_access, &acc_granted, "_samr_connect4");
2696
2697         if ( !NT_STATUS_IS_OK(nt_status) )
2698                 return nt_status;
2699
2700         r_u->status = NT_STATUS_OK;
2701
2702         /* associate the user's SID and access granted with the new handle. */
2703         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2704                 return NT_STATUS_NO_MEMORY;
2705
2706         info->acc_granted = acc_granted;
2707         info->status = q_u->access_mask;
2708
2709         /* get a (unique) handle.  open a policy on it. */
2710         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2711                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2712
2713         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2714
2715         return r_u->status;
2716 }
2717
2718 /*******************************************************************
2719  samr_connect5
2720  ********************************************************************/
2721
2722 NTSTATUS _samr_connect5(pipes_struct *p, SAMR_Q_CONNECT5 *q_u, SAMR_R_CONNECT5 *r_u)
2723 {
2724         struct samr_info *info = NULL;
2725         SEC_DESC *psd = NULL;
2726         uint32    acc_granted;
2727         uint32    des_access = q_u->access_mask;
2728         NTSTATUS  nt_status;
2729         POLICY_HND pol;
2730         size_t    sd_size;
2731
2732
2733         DEBUG(5,("_samr_connect5: %d\n", __LINE__));
2734
2735         ZERO_STRUCTP(r_u);
2736
2737         /* Access check */
2738
2739         if (!pipe_access_check(p)) {
2740                 DEBUG(3, ("access denied to samr_connect5\n"));
2741                 r_u->status = NT_STATUS_ACCESS_DENIED;
2742                 return r_u->status;
2743         }
2744
2745         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2746         se_map_generic(&des_access, &sam_generic_mapping);
2747
2748         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2749                 NULL, 0, des_access, &acc_granted, "_samr_connect5");
2750
2751         if ( !NT_STATUS_IS_OK(nt_status) )
2752                 return nt_status;
2753
2754         /* associate the user's SID and access granted with the new handle. */
2755         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2756                 return NT_STATUS_NO_MEMORY;
2757
2758         info->acc_granted = acc_granted;
2759         info->status = q_u->access_mask;
2760
2761         /* get a (unique) handle.  open a policy on it. */
2762         if (!create_policy_hnd(p, &pol, free_samr_info, (void *)info))
2763                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2764
2765         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2766
2767         init_samr_r_connect5(r_u, &pol, NT_STATUS_OK);
2768
2769         return r_u->status;
2770 }
2771
2772 /**********************************************************************
2773  api_samr_lookup_domain
2774  **********************************************************************/
2775
2776 NTSTATUS _samr_lookup_domain(pipes_struct *p, SAMR_Q_LOOKUP_DOMAIN *q_u, SAMR_R_LOOKUP_DOMAIN *r_u)
2777 {
2778         struct samr_info *info;
2779         fstring domain_name;
2780         DOM_SID sid;
2781
2782         r_u->status = NT_STATUS_OK;
2783
2784         if (!find_policy_by_hnd(p, &q_u->connect_pol, (void**)(void *)&info))
2785                 return NT_STATUS_INVALID_HANDLE;
2786
2787         /* win9x user manager likes to use SA_RIGHT_SAM_ENUM_DOMAINS here.
2788            Reverted that change so we will work with RAS servers again */
2789
2790         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted,
2791                 SA_RIGHT_SAM_OPEN_DOMAIN, "_samr_lookup_domain")))
2792         {
2793                 return r_u->status;
2794         }
2795
2796         rpcstr_pull(domain_name, q_u->uni_domain.buffer, sizeof(domain_name), q_u->uni_domain.uni_str_len*2, 0);
2797
2798         ZERO_STRUCT(sid);
2799
2800         if (strequal(domain_name, builtin_domain_name())) {
2801                 sid_copy(&sid, &global_sid_Builtin);
2802         } else {
2803                 if (!secrets_fetch_domain_sid(domain_name, &sid)) {
2804                         r_u->status = NT_STATUS_NO_SUCH_DOMAIN;
2805                 }
2806         }
2807
2808         DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name, sid_string_static(&sid)));
2809
2810         init_samr_r_lookup_domain(r_u, &sid, r_u->status);
2811
2812         return r_u->status;
2813 }
2814
2815 /******************************************************************
2816 makes a SAMR_R_ENUM_DOMAINS structure.
2817 ********************************************************************/
2818
2819 static BOOL make_enum_domains(TALLOC_CTX *ctx, SAM_ENTRY **pp_sam,
2820                         UNISTR2 **pp_uni_name, uint32 num_sam_entries, fstring doms[])
2821 {
2822         uint32 i;
2823         SAM_ENTRY *sam;
2824         UNISTR2 *uni_name;
2825
2826         DEBUG(5, ("make_enum_domains\n"));
2827
2828         *pp_sam = NULL;
2829         *pp_uni_name = NULL;
2830
2831         if (num_sam_entries == 0)
2832                 return True;
2833
2834         sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
2835         uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
2836
2837         if (sam == NULL || uni_name == NULL)
2838                 return False;
2839
2840         for (i = 0; i < num_sam_entries; i++) {
2841                 init_unistr2(&uni_name[i], doms[i], UNI_FLAGS_NONE);
2842                 init_sam_entry(&sam[i], &uni_name[i], 0);
2843         }
2844
2845         *pp_sam = sam;
2846         *pp_uni_name = uni_name;
2847
2848         return True;
2849 }
2850
2851 /**********************************************************************
2852  api_samr_enum_domains
2853  **********************************************************************/
2854
2855 NTSTATUS _samr_enum_domains(pipes_struct *p, SAMR_Q_ENUM_DOMAINS *q_u, SAMR_R_ENUM_DOMAINS *r_u)
2856 {
2857         struct samr_info *info;
2858         uint32 num_entries = 2;
2859         fstring dom[2];
2860         const char *name;
2861
2862         r_u->status = NT_STATUS_OK;
2863
2864         if (!find_policy_by_hnd(p, &q_u->pol, (void**)(void *)&info))
2865                 return NT_STATUS_INVALID_HANDLE;
2866
2867         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted, SA_RIGHT_SAM_ENUM_DOMAINS, "_samr_enum_domains"))) {
2868                 return r_u->status;
2869         }
2870
2871         name = get_global_sam_name();
2872
2873         fstrcpy(dom[0],name);
2874         strupper_m(dom[0]);
2875         fstrcpy(dom[1],"Builtin");
2876
2877         if (!make_enum_domains(p->mem_ctx, &r_u->sam, &r_u->uni_dom_name, num_entries, dom))
2878                 return NT_STATUS_NO_MEMORY;
2879
2880         init_samr_r_enum_domains(r_u, q_u->start_idx + num_entries, num_entries);
2881
2882         return r_u->status;
2883 }
2884
2885 /*******************************************************************
2886  api_samr_open_alias
2887  ********************************************************************/
2888
2889 NTSTATUS _samr_open_alias(pipes_struct *p, SAMR_Q_OPEN_ALIAS *q_u, SAMR_R_OPEN_ALIAS *r_u)
2890 {
2891         DOM_SID sid;
2892         POLICY_HND domain_pol = q_u->dom_pol;
2893         uint32 alias_rid = q_u->rid_alias;
2894         POLICY_HND *alias_pol = &r_u->pol;
2895         struct    samr_info *info = NULL;
2896         SEC_DESC *psd = NULL;
2897         uint32    acc_granted;
2898         uint32    des_access = q_u->access_mask;
2899         size_t    sd_size;
2900         NTSTATUS  status;
2901         SE_PRIV se_rights;
2902
2903         r_u->status = NT_STATUS_OK;
2904
2905         /* find the domain policy and get the SID / access bits stored in the domain policy */
2906
2907         if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
2908                 return NT_STATUS_INVALID_HANDLE;
2909
2910         status = access_check_samr_function(acc_granted,
2911                 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_alias");
2912
2913         if ( !NT_STATUS_IS_OK(status) )
2914                 return status;
2915
2916         /* append the alias' RID to it */
2917
2918         if (!sid_append_rid(&sid, alias_rid))
2919                 return NT_STATUS_NO_SUCH_ALIAS;
2920
2921         /*check if access can be granted as requested by client. */
2922
2923         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &ali_generic_mapping, NULL, 0);
2924         se_map_generic(&des_access,&ali_generic_mapping);
2925
2926         se_priv_copy( &se_rights, &se_add_users );
2927
2928
2929         status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2930                 &se_rights, GENERIC_RIGHTS_ALIAS_WRITE, des_access,
2931                 &acc_granted, "_samr_open_alias");
2932
2933         if ( !NT_STATUS_IS_OK(status) )
2934                 return status;
2935
2936         {
2937                 /* Check we actually have the requested alias */
2938                 enum SID_NAME_USE type;
2939                 BOOL result;
2940                 gid_t gid;
2941
2942                 become_root();
2943                 result = lookup_sid(NULL, &sid, NULL, NULL, &type);
2944                 unbecome_root();
2945
2946                 if (!result || (type != SID_NAME_ALIAS)) {
2947                         return NT_STATUS_NO_SUCH_ALIAS;
2948                 }
2949
2950                 /* make sure there is a mapping */
2951
2952                 if ( !sid_to_gid( &sid, &gid ) ) {
2953                         return NT_STATUS_NO_SUCH_ALIAS;
2954                 }
2955
2956         }
2957
2958         /* associate the alias SID with the new handle. */
2959         if ((info = get_samr_info_by_sid(&sid)) == NULL)
2960                 return NT_STATUS_NO_MEMORY;
2961
2962         info->acc_granted = acc_granted;
2963
2964         /* get a (unique) handle.  open a policy on it. */
2965         if (!create_policy_hnd(p, alias_pol, free_samr_info, (void *)info))
2966                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2967
2968         return r_u->status;
2969 }
2970
2971 /*******************************************************************
2972  set_user_info_7
2973  ********************************************************************/
2974 static NTSTATUS set_user_info_7(TALLOC_CTX *mem_ctx,
2975                                 const SAM_USER_INFO_7 *id7, struct samu *pwd)
2976 {
2977         fstring new_name;
2978         NTSTATUS rc;
2979
2980         if (id7 == NULL) {
2981                 DEBUG(5, ("set_user_info_7: NULL id7\n"));
2982                 TALLOC_FREE(pwd);
2983                 return NT_STATUS_ACCESS_DENIED;
2984         }
2985
2986         if(!rpcstr_pull(new_name, id7->uni_name.buffer, sizeof(new_name), id7->uni_name.uni_str_len*2, 0)) {
2987                 DEBUG(5, ("set_user_info_7: failed to get new username\n"));
2988                 TALLOC_FREE(pwd);
2989                 return NT_STATUS_ACCESS_DENIED;
2990         }
2991
2992         /* check to see if the new username already exists.  Note: we can't
2993            reliably lock all backends, so there is potentially the
2994            possibility that a user can be created in between this check and
2995            the rename.  The rename should fail, but may not get the
2996            exact same failure status code.  I think this is small enough
2997            of a window for this type of operation and the results are
2998            simply that the rename fails with a slightly different status
2999            code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3000
3001         rc = can_create(mem_ctx, new_name);
3002         if (!NT_STATUS_IS_OK(rc)) {
3003                 return rc;
3004         }
3005
3006         rc = pdb_rename_sam_account(pwd, new_name);
3007
3008         TALLOC_FREE(pwd);
3009         return rc;
3010 }
3011
3012 /*******************************************************************
3013  set_user_info_16
3014  ********************************************************************/
3015
3016 static BOOL set_user_info_16(const SAM_USER_INFO_16 *id16, struct samu *pwd)
3017 {
3018         if (id16 == NULL) {
3019                 DEBUG(5, ("set_user_info_16: NULL id16\n"));
3020                 TALLOC_FREE(pwd);
3021                 return False;
3022         }
3023
3024         /* FIX ME: check if the value is really changed --metze */
3025         if (!pdb_set_acct_ctrl(pwd, id16->acb_info, PDB_CHANGED)) {
3026                 TALLOC_FREE(pwd);
3027                 return False;
3028         }
3029
3030         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3031                 TALLOC_FREE(pwd);
3032                 return False;
3033         }
3034
3035         TALLOC_FREE(pwd);
3036
3037         return True;
3038 }
3039
3040 /*******************************************************************
3041  set_user_info_18
3042  ********************************************************************/
3043
3044 static BOOL set_user_info_18(SAM_USER_INFO_18 *id18, struct samu *pwd)
3045 {
3046
3047         if (id18 == NULL) {
3048                 DEBUG(2, ("set_user_info_18: id18 is NULL\n"));
3049                 TALLOC_FREE(pwd);
3050                 return False;
3051         }
3052
3053         if (!pdb_set_lanman_passwd (pwd, id18->lm_pwd, PDB_CHANGED)) {
3054                 TALLOC_FREE(pwd);
3055                 return False;
3056         }
3057         if (!pdb_set_nt_passwd     (pwd, id18->nt_pwd, PDB_CHANGED)) {
3058                 TALLOC_FREE(pwd);
3059                 return False;
3060         }
3061         if (!pdb_set_pass_changed_now (pwd)) {
3062                 TALLOC_FREE(pwd);
3063                 return False;
3064         }
3065
3066         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3067                 TALLOC_FREE(pwd);
3068                 return False;
3069         }
3070
3071         TALLOC_FREE(pwd);
3072         return True;
3073 }
3074
3075 /*******************************************************************
3076  set_user_info_20
3077  ********************************************************************/
3078
3079 static BOOL set_user_info_20(SAM_USER_INFO_20 *id20, struct samu *pwd)
3080 {
3081         if (id20 == NULL) {
3082                 DEBUG(5, ("set_user_info_20: NULL id20\n"));
3083                 return False;
3084         }
3085
3086         copy_id20_to_sam_passwd(pwd, id20);
3087
3088         /* write the change out */
3089         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3090                 TALLOC_FREE(pwd);
3091                 return False;
3092         }
3093
3094         TALLOC_FREE(pwd);
3095
3096         return True;
3097 }
3098 /*******************************************************************
3099  set_user_info_21
3100  ********************************************************************/
3101
3102 static NTSTATUS set_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21,
3103                                  struct samu *pwd)
3104 {
3105         fstring new_name;
3106         NTSTATUS status;
3107
3108         if (id21 == NULL) {
3109                 DEBUG(5, ("set_user_info_21: NULL id21\n"));
3110                 return NT_STATUS_INVALID_PARAMETER;
3111         }
3112
3113         /* we need to separately check for an account rename first */
3114
3115         if (rpcstr_pull(new_name, id21->uni_user_name.buffer,
3116                 sizeof(new_name), id21->uni_user_name.uni_str_len*2, 0)
3117                 && (!strequal(new_name, pdb_get_username(pwd))))
3118         {
3119
3120                 /* check to see if the new username already exists.  Note: we can't
3121                    reliably lock all backends, so there is potentially the
3122                    possibility that a user can be created in between this check and
3123                    the rename.  The rename should fail, but may not get the
3124                    exact same failure status code.  I think this is small enough
3125                    of a window for this type of operation and the results are
3126                    simply that the rename fails with a slightly different status
3127                    code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3128
3129                 status = can_create(mem_ctx, new_name);
3130                 if (!NT_STATUS_IS_OK(status)) {
3131                         return status;
3132                 }
3133
3134                 status = pdb_rename_sam_account(pwd, new_name);
3135
3136                 if (!NT_STATUS_IS_OK(status)) {
3137                         DEBUG(0,("set_user_info_21: failed to rename account: %s\n",
3138                                 nt_errstr(status)));
3139                         TALLOC_FREE(pwd);
3140                         return status;
3141                 }
3142
3143                 /* set the new username so that later
3144                    functions can work on the new account */
3145                 pdb_set_username(pwd, new_name, PDB_SET);
3146         }
3147
3148         copy_id21_to_sam_passwd(pwd, id21);
3149
3150         /*
3151          * The funny part about the previous two calls is
3152          * that pwd still has the password hashes from the
3153          * passdb entry.  These have not been updated from
3154          * id21.  I don't know if they need to be set.    --jerry
3155          */
3156
3157         if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
3158                 status = pdb_set_unix_primary_group(mem_ctx, pwd);
3159                 if ( !NT_STATUS_IS_OK(status) ) {
3160                         return status;
3161                 }
3162         }
3163
3164         /* Don't worry about writing out the user account since the
3165            primary group SID is generated solely from the user's Unix
3166            primary group. */
3167
3168         /* write the change out */
3169         if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3170                 TALLOC_FREE(pwd);
3171                 return status;
3172         }
3173
3174         TALLOC_FREE(pwd);
3175
3176         return NT_STATUS_OK;
3177 }
3178
3179 /*******************************************************************
3180  set_user_info_23
3181  ********************************************************************/
3182
3183 static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx, SAM_USER_INFO_23 *id23,
3184                                  struct samu *pwd)
3185 {
3186         pstring plaintext_buf;
3187         uint32 len;
3188         uint16 acct_ctrl;
3189         NTSTATUS status;
3190
3191         if (id23 == NULL) {
3192                 DEBUG(5, ("set_user_info_23: NULL id23\n"));
3193                 return NT_STATUS_INVALID_PARAMETER;
3194         }
3195
3196         DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
3197                   pdb_get_username(pwd)));
3198
3199         acct_ctrl = pdb_get_acct_ctrl(pwd);
3200
3201         if (!decode_pw_buffer(id23->pass, plaintext_buf, 256, &len, STR_UNICODE)) {
3202                 TALLOC_FREE(pwd);
3203                 return NT_STATUS_INVALID_PARAMETER;
3204         }
3205
3206         if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3207                 TALLOC_FREE(pwd);
3208                 return NT_STATUS_ACCESS_DENIED;
3209         }
3210
3211         copy_id23_to_sam_passwd(pwd, id23);
3212
3213         /* if it's a trust account, don't update /etc/passwd */
3214         if (    ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3215                 ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
3216                 ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
3217                 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
3218         } else  {
3219                 /* update the UNIX password */
3220                 if (lp_unix_password_sync() ) {
3221                         struct passwd *passwd;
3222                         if (pdb_get_username(pwd) == NULL) {
3223                                 DEBUG(1, ("chgpasswd: User without name???\n"));
3224                                 TALLOC_FREE(pwd);
3225                                 return NT_STATUS_ACCESS_DENIED;
3226                         }
3227
3228                         if ((passwd = Get_Pwnam(pdb_get_username(pwd))) == NULL) {
3229                                 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3230                         }
3231
3232                         if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3233                                 TALLOC_FREE(pwd);
3234                                 return NT_STATUS_ACCESS_DENIED;
3235                         }
3236                 }
3237         }
3238
3239         ZERO_STRUCT(plaintext_buf);
3240
3241         if (IS_SAM_CHANGED(pwd, PDB_GROUPSID) &&
3242             (!NT_STATUS_IS_OK(status =  pdb_set_unix_primary_group(mem_ctx,
3243                                                                    pwd)))) {
3244                 TALLOC_FREE(pwd);
3245                 return status;
3246         }
3247
3248         if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3249                 TALLOC_FREE(pwd);
3250                 return status;
3251         }
3252
3253         TALLOC_FREE(pwd);
3254
3255         return NT_STATUS_OK;
3256 }
3257
3258 /*******************************************************************
3259  set_user_info_pw
3260  ********************************************************************/
3261
3262 static BOOL set_user_info_pw(uint8 *pass, struct samu *pwd)
3263 {
3264         uint32 len;
3265         pstring plaintext_buf;
3266         uint32 acct_ctrl;
3267
3268         DEBUG(5, ("Attempting administrator password change for user %s\n",
3269                   pdb_get_username(pwd)));
3270
3271         acct_ctrl = pdb_get_acct_ctrl(pwd);
3272
3273         ZERO_STRUCT(plaintext_buf);
3274
3275         if (!decode_pw_buffer(pass, plaintext_buf, 256, &len, STR_UNICODE)) {
3276                 TALLOC_FREE(pwd);
3277                 return False;
3278         }
3279
3280         if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3281                 TALLOC_FREE(pwd);
3282                 return False;
3283         }
3284
3285         /* if it's a trust account, don't update /etc/passwd */
3286         if ( ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3287                 ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
3288                 ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
3289                 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
3290         } else {
3291                 /* update the UNIX password */
3292                 if (lp_unix_password_sync()) {
3293                         struct passwd *passwd;
3294
3295                         if (pdb_get_username(pwd) == NULL) {
3296                                 DEBUG(1, ("chgpasswd: User without name???\n"));
3297                                 TALLOC_FREE(pwd);
3298                                 return False;
3299                         }
3300
3301                         if ((passwd = Get_Pwnam(pdb_get_username(pwd))) == NULL) {
3302                                 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3303                         }
3304
3305                         if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3306                                 TALLOC_FREE(pwd);
3307                                 return False;
3308                         }
3309                 }
3310         }
3311
3312         ZERO_STRUCT(plaintext_buf);
3313
3314         DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
3315
3316         /* update the SAMBA password */
3317         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3318                 TALLOC_FREE(pwd);
3319                 return False;
3320         }
3321
3322         TALLOC_FREE(pwd);
3323
3324         return True;
3325 }
3326
3327 /*******************************************************************
3328  set_user_info_25
3329  ********************************************************************/
3330
3331 static NTSTATUS set_user_info_25(TALLOC_CTX *mem_ctx, SAM_USER_INFO_25 *id25,
3332                                  struct samu *pwd)
3333 {
3334         NTSTATUS status;
3335
3336         if (id25 == NULL) {
3337                 DEBUG(5, ("set_user_info_25: NULL id25\n"));
3338                 return NT_STATUS_INVALID_PARAMETER;
3339         }
3340
3341         copy_id25_to_sam_passwd(pwd, id25);
3342
3343         /*
3344          * The funny part about the previous two calls is
3345          * that pwd still has the password hashes from the
3346          * passdb entry.  These have not been updated from
3347          * id21.  I don't know if they need to be set.    --jerry
3348          */
3349
3350         if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
3351                 status = pdb_set_unix_primary_group(mem_ctx, pwd);
3352                 if ( !NT_STATUS_IS_OK(status) ) {
3353                         return status;
3354                 }
3355         }
3356
3357         /* Don't worry about writing out the user account since the
3358            primary group SID is generated solely from the user's Unix
3359            primary group. */
3360
3361         /* write the change out */
3362         if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3363                 TALLOC_FREE(pwd);
3364                 return status;
3365         }
3366
3367         /* WARNING: No TALLOC_FREE(pwd), we are about to set the password
3368          * hereafter! */
3369
3370         return NT_STATUS_OK;
3371 }
3372
3373 /*******************************************************************
3374  samr_reply_set_userinfo
3375  ********************************************************************/
3376
3377 NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SET_USERINFO *r_u)
3378 {
3379         struct samu *pwd = NULL;
3380         DOM_SID sid;
3381         POLICY_HND *pol = &q_u->pol;
3382         uint16 switch_value = q_u->switch_value;
3383         SAM_USERINFO_CTR *ctr = q_u->ctr;
3384         uint32 acc_granted;
3385         uint32 acc_required;
3386         BOOL ret;
3387         BOOL has_enough_rights = False;
3388         uint32 acb_info;
3389         DISP_INFO *disp_info = NULL;
3390
3391         DEBUG(5, ("_samr_set_userinfo: %d\n", __LINE__));
3392
3393         r_u->status = NT_STATUS_OK;
3394
3395         /* find the policy handle.  open a policy on it. */
3396         if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted, &disp_info))
3397                 return NT_STATUS_INVALID_HANDLE;
3398
3399         /* observed when joining an XP client to a Samba domain */
3400
3401         acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
3402
3403         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo"))) {
3404                 return r_u->status;
3405         }
3406
3407         DEBUG(5, ("_samr_set_userinfo: sid:%s, level:%d\n", sid_string_static(&sid), switch_value));
3408
3409         if (ctr == NULL) {
3410                 DEBUG(5, ("_samr_set_userinfo: NULL info level\n"));
3411                 return NT_STATUS_INVALID_INFO_CLASS;
3412         }
3413
3414         if ( !(pwd = samu_new( NULL )) ) {
3415                 return NT_STATUS_NO_MEMORY;
3416         }
3417
3418         become_root();
3419         ret = pdb_getsampwsid(pwd, &sid);
3420         unbecome_root();
3421
3422         if ( !ret ) {
3423                 TALLOC_FREE(pwd);
3424                 return NT_STATUS_NO_SUCH_USER;
3425         }
3426
3427         /* deal with machine password changes differently from userinfo changes */
3428         /* check to see if we have the sufficient rights */
3429
3430         acb_info = pdb_get_acct_ctrl(pwd);
3431         if ( acb_info & ACB_WSTRUST )
3432                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account);
3433         else if ( acb_info & ACB_NORMAL )
3434                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
3435         else if ( acb_info & (ACB_SVRTRUST|ACB_DOMTRUST) ) {
3436                 if ( lp_enable_privileges() )
3437                         has_enough_rights = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
3438         }
3439
3440         DEBUG(5, ("_samr_set_userinfo: %s does%s possess sufficient rights\n",
3441                   uidtoname(p->pipe_user.ut.uid),
3442                   has_enough_rights ? "" : " not"));
3443
3444         /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
3445
3446         if ( has_enough_rights )
3447                 become_root();
3448
3449         /* ok!  user info levels (lots: see MSDEV help), off we go... */
3450
3451         switch (switch_value) {
3452                 case 18:
3453                         if (!set_user_info_18(ctr->info.id18, pwd))
3454                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3455                         break;
3456
3457                 case 24:
3458                         if (!p->session_key.length) {
3459                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3460                         }
3461                         SamOEMhashBlob(ctr->info.id24->pass, 516, &p->session_key);
3462
3463                         dump_data(100, (char *)ctr->info.id24->pass, 516);
3464
3465                         if (!set_user_info_pw(ctr->info.id24->pass, pwd))
3466                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3467                         break;
3468
3469                 case 25:
3470                         if (!p->session_key.length) {
3471                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3472                         }
3473                         encode_or_decode_arc4_passwd_buffer(ctr->info.id25->pass, &p->session_key);
3474
3475                         dump_data(100, (char *)ctr->info.id25->pass, 532);
3476
3477                         r_u->status = set_user_info_25(p->mem_ctx,
3478                                                        ctr->info.id25, pwd);
3479                         if (!NT_STATUS_IS_OK(r_u->status)) {
3480                                 goto done;
3481                         }
3482                         if (!set_user_info_pw(ctr->info.id25->pass, pwd))
3483                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3484                         break;
3485
3486                 case 26:
3487                         if (!p->session_key.length) {
3488                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3489                         }
3490                         encode_or_decode_arc4_passwd_buffer(ctr->info.id26->pass, &p->session_key);
3491
3492                         dump_data(100, (char *)ctr->info.id26->pass, 516);
3493
3494                         if (!set_user_info_pw(ctr->info.id26->pass, pwd))
3495                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3496                         break;
3497
3498                 case 23:
3499                         if (!p->session_key.length) {
3500                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3501                         }
3502                         SamOEMhashBlob(ctr->info.id23->pass, 516, &p->session_key);
3503
3504                         dump_data(100, (char *)ctr->info.id23->pass, 516);
3505
3506                         r_u->status = set_user_info_23(p->mem_ctx,
3507                                                        ctr->info.id23, pwd);
3508                         break;
3509
3510                 default:
3511                         r_u->status = NT_STATUS_INVALID_INFO_CLASS;
3512         }
3513
3514  done:
3515
3516         if ( has_enough_rights )
3517                 unbecome_root();
3518
3519         /* ================ END SeMachineAccountPrivilege BLOCK ================ */
3520
3521         if (NT_STATUS_IS_OK(r_u->status)) {
3522                 force_flush_samr_cache(disp_info);
3523         }
3524
3525         return r_u->status;
3526 }
3527
3528 /*******************************************************************
3529  samr_reply_set_userinfo2
3530  ********************************************************************/
3531
3532 NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_SET_USERINFO2 *r_u)
3533 {
3534         struct samu *pwd = NULL;
3535         DOM_SID sid;
3536         SAM_USERINFO_CTR *ctr = q_u->ctr;
3537         POLICY_HND *pol = &q_u->pol;
3538         uint16 switch_value = q_u->switch_value;
3539         uint32 acc_granted;
3540         uint32 acc_required;
3541         BOOL ret;
3542         BOOL has_enough_rights = False;
3543         uint32 acb_info;
3544         DISP_INFO *disp_info = NULL;
3545
3546         DEBUG(5, ("samr_reply_set_userinfo2: %d\n", __LINE__));
3547
3548         r_u->status = NT_STATUS_OK;
3549
3550         /* find the policy handle.  open a policy on it. */
3551         if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted, &disp_info))
3552                 return NT_STATUS_INVALID_HANDLE;
3553
3554
3555 #if 0   /* this really should be applied on a per info level basis   --jerry */
3556
3557         /* observed when joining XP client to Samba domain */
3558         acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
3559 #else
3560         acc_required = SA_RIGHT_USER_SET_ATTRIBUTES;
3561 #endif
3562
3563         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo2"))) {
3564                 return r_u->status;
3565         }
3566
3567         DEBUG(5, ("samr_reply_set_userinfo2: sid:%s\n", sid_string_static(&sid)));
3568
3569         if (ctr == NULL) {
3570                 DEBUG(5, ("samr_reply_set_userinfo2: NULL info level\n"));
3571                 return NT_STATUS_INVALID_INFO_CLASS;
3572         }
3573
3574         switch_value=ctr->switch_value;
3575
3576         if ( !(pwd = samu_new( NULL )) ) {
3577                 return NT_STATUS_NO_MEMORY;
3578         }
3579
3580         become_root();
3581         ret = pdb_getsampwsid(pwd, &sid);
3582         unbecome_root();
3583
3584         if ( !ret ) {
3585                 TALLOC_FREE(pwd);
3586                 return NT_STATUS_NO_SUCH_USER;
3587         }
3588
3589         acb_info = pdb_get_acct_ctrl(pwd);
3590         if ( acb_info & ACB_WSTRUST )
3591                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account);
3592         else if ( acb_info & ACB_NORMAL )
3593                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
3594         else if ( acb_info & (ACB_SVRTRUST|ACB_DOMTRUST) ) {
3595                 if ( lp_enable_privileges() )
3596                         has_enough_rights = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
3597         }
3598
3599         DEBUG(5, ("_samr_set_userinfo2: %s does%s possess sufficient rights\n",
3600                   uidtoname(p->pipe_user.ut.uid),
3601                   has_enough_rights ? "" : " not"));
3602
3603         /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
3604
3605         if ( has_enough_rights )
3606                 become_root();
3607
3608         /* ok!  user info levels (lots: see MSDEV help), off we go... */
3609
3610         switch (switch_value) {
3611                 case 7:
3612                         r_u->status = set_user_info_7(p->mem_ctx,
3613                                                       ctr->info.id7, pwd);
3614                         break;
3615                 case 16:
3616                         if (!set_user_info_16(ctr->info.id16, pwd))
3617                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3618                         break;
3619                 case 18:
3620                         /* Used by AS/U JRA. */
3621                         if (!set_user_info_18(ctr->info.id18, pwd))
3622                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3623                         break;
3624                 case 20:
3625                         if (!set_user_info_20(ctr->info.id20, pwd))
3626                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3627                         break;
3628                 case 21:
3629                         r_u->status = set_user_info_21(p->mem_ctx,
3630                                                        ctr->info.id21, pwd);
3631                         break;
3632                 case 23:
3633                         if (!p->session_key.length) {
3634                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3635                         }
3636                         SamOEMhashBlob(ctr->info.id23->pass, 516, &p->session_key);
3637
3638                         dump_data(100, (char *)ctr->info.id23->pass, 516);
3639
3640                         r_u->status = set_user_info_23(p->mem_ctx,
3641                                                        ctr->info.id23, pwd);
3642                         break;
3643                 case 26:
3644                         if (!p->session_key.length) {
3645                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3646                         }
3647                         encode_or_decode_arc4_passwd_buffer(ctr->info.id26->pass, &p->session_key);
3648
3649                         dump_data(100, (char *)ctr->info.id26->pass, 516);
3650
3651                         if (!set_user_info_pw(ctr->info.id26->pass, pwd))
3652                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3653                         break;
3654                 default:
3655                         r_u->status = NT_STATUS_INVALID_INFO_CLASS;
3656         }
3657
3658         if ( has_enough_rights )
3659                 unbecome_root();
3660
3661         /* ================ END SeMachineAccountPrivilege BLOCK ================ */
3662
3663         if (NT_STATUS_IS_OK(r_u->status)) {
3664                 force_flush_samr_cache(disp_info);
3665         }
3666
3667         return r_u->status;
3668 }
3669
3670 /*********************************************************************
3671  _samr_query_aliasmem
3672 *********************************************************************/
3673
3674 NTSTATUS _samr_query_useraliases(pipes_struct *p, SAMR_Q_QUERY_USERALIASES *q_u, SAMR_R_QUERY_USERALIASES *r_u)
3675 {
3676         size_t num_alias_rids;
3677         uint32 *alias_rids;
3678         struct samr_info *info = NULL;
3679         size_t i;
3680
3681         NTSTATUS ntstatus1;
3682         NTSTATUS ntstatus2;
3683
3684         DOM_SID *members;
3685
3686         r_u->status = NT_STATUS_OK;
3687
3688         DEBUG(5,("_samr_query_useraliases: %d\n", __LINE__));
3689
3690         /* find the policy handle.  open a policy on it. */
3691         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
3692                 return NT_STATUS_INVALID_HANDLE;
3693
3694         ntstatus1 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_LOOKUP_ALIAS_BY_MEM, "_samr_query_useraliases");
3695         ntstatus2 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_query_useraliases");
3696
3697         if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) {
3698                 if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) &&
3699                     !(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) {
3700                         return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1;
3701                 }
3702         }
3703
3704         if (!sid_check_is_domain(&info->sid) &&
3705             !sid_check_is_builtin(&info->sid))
3706                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
3707
3708         members = TALLOC_ARRAY(p->mem_ctx, DOM_SID, q_u->num_sids1);
3709
3710         if (members == NULL)
3711                 return NT_STATUS_NO_MEMORY;
3712
3713         for (i=0; i<q_u->num_sids1; i++)
3714                 sid_copy(&members[i], &q_u->sid[i].sid);
3715
3716         alias_rids = NULL;
3717         num_alias_rids = 0;
3718
3719         become_root();
3720         ntstatus1 = pdb_enum_alias_memberships(p->mem_ctx, &info->sid, members,
3721                                                q_u->num_sids1,
3722                                                &alias_rids, &num_alias_rids);
3723         unbecome_root();
3724
3725         if (!NT_STATUS_IS_OK(ntstatus1)) {
3726                 return ntstatus1;
3727         }
3728
3729         init_samr_r_query_useraliases(r_u, num_alias_rids, alias_rids,
3730                                       NT_STATUS_OK);
3731         return NT_STATUS_OK;
3732 }
3733
3734 /*********************************************************************
3735  _samr_query_aliasmem
3736 *********************************************************************/
3737
3738 NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_R_QUERY_ALIASMEM *r_u)
3739 {
3740         NTSTATUS status;
3741         size_t i;
3742         size_t num_sids = 0;
3743         DOM_SID2 *sid;
3744         DOM_SID *sids=NULL;
3745
3746         DOM_SID alias_sid;
3747
3748         uint32 acc_granted;
3749
3750         /* find the policy handle.  open a policy on it. */
3751         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, NULL))
3752                 return NT_STATUS_INVALID_HANDLE;
3753
3754         if (!NT_STATUS_IS_OK(r_u->status =
3755                 access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_GET_MEMBERS, "_samr_query_aliasmem"))) {
3756                 return r_u->status;
3757         }
3758
3759         DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
3760
3761         status = pdb_enum_aliasmem(&alias_sid, &sids, &num_sids);
3762
3763         if (!NT_STATUS_IS_OK(status)) {
3764                 return status;
3765         }
3766
3767         sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_sids);
3768         if (num_sids!=0 && sid == NULL) {
3769                 SAFE_FREE(sids);
3770                 return NT_STATUS_NO_MEMORY;
3771         }
3772
3773         for (i = 0; i < num_sids; i++) {
3774                 init_dom_sid2(&sid[i], &sids[i]);
3775         }
3776
3777         init_samr_r_query_aliasmem(r_u, num_sids, sid, NT_STATUS_OK);
3778
3779         SAFE_FREE(sids);
3780
3781         return NT_STATUS_OK;
3782 }
3783
3784 /*********************************************************************
3785  _samr_query_groupmem
3786 *********************************************************************/
3787
3788 NTSTATUS _samr_query_groupmem(pipes_struct *p, SAMR_Q_QUERY_GROUPMEM *q_u, SAMR_R_QUERY_GROUPMEM *r_u)
3789 {
3790         DOM_SID group_sid;
3791         fstring group_sid_str;
3792         size_t i, num_members;
3793
3794         uint32 *rid=NULL;
3795         uint32 *attr=NULL;
3796
3797         uint32 acc_granted;
3798
3799         NTSTATUS result;
3800
3801         /* find the policy handle.  open a policy on it. */
3802         if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted, NULL))
3803                 return NT_STATUS_INVALID_HANDLE;
3804
3805         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_GET_MEMBERS, "_samr_query_groupmem"))) {
3806                 return r_u->status;
3807         }
3808
3809         sid_to_string(group_sid_str, &group_sid);
3810         DEBUG(10, ("sid is %s\n", group_sid_str));
3811
3812         if (!sid_check_is_in_our_domain(&group_sid)) {
3813                 DEBUG(3, ("sid %s is not in our domain\n", group_sid_str));
3814                 return NT_STATUS_NO_SUCH_GROUP;
3815         }
3816
3817         DEBUG(10, ("lookup on Domain SID\n"));
3818
3819         become_root();
3820         result = pdb_enum_group_members(p->mem_ctx, &group_sid,
3821                                         &rid, &num_members);
3822         unbecome_root();
3823
3824         if (!NT_STATUS_IS_OK(result))
3825                 return result;
3826
3827         attr=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_members);
3828
3829         if ((num_members!=0) && (attr==NULL))
3830                 return NT_STATUS_NO_MEMORY;
3831
3832         for (i=0; i<num_members; i++)
3833                 attr[i] = SID_NAME_USER;
3834
3835         init_samr_r_query_groupmem(r_u, num_members, rid, attr, NT_STATUS_OK);
3836
3837         return NT_STATUS_OK;
3838 }
3839
3840 /*********************************************************************
3841  _samr_add_aliasmem
3842 *********************************************************************/
3843
3844 NTSTATUS _samr_add_aliasmem(pipes_struct *p, SAMR_Q_ADD_ALIASMEM *q_u, SAMR_R_ADD_ALIASMEM *r_u)
3845 {
3846         DOM_SID alias_sid;
3847         uint32 acc_granted;
3848         SE_PRIV se_rights;
3849         BOOL can_add_accounts;
3850         NTSTATUS ret;
3851         DISP_INFO *disp_info = NULL;
3852
3853         /* Find the policy handle. Open a policy on it. */
3854         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
3855                 return NT_STATUS_INVALID_HANDLE;
3856
3857         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_ADD_MEMBER, "_samr_add_aliasmem"))) {
3858                 return r_u->status;
3859         }
3860
3861         DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
3862
3863         se_priv_copy( &se_rights, &se_add_users );
3864         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3865
3866         /******** BEGIN SeAddUsers BLOCK *********/
3867
3868         if ( can_add_accounts )
3869                 become_root();
3870
3871         ret = pdb_add_aliasmem(&alias_sid, &q_u->sid.sid);
3872
3873         if ( can_add_accounts )
3874                 unbecome_root();
3875
3876         /******** END SeAddUsers BLOCK *********/
3877
3878         if (NT_STATUS_IS_OK(ret)) {
3879                 force_flush_samr_cache(disp_info);
3880         }
3881
3882         return ret;
3883 }
3884
3885 /*********************************************************************
3886  _samr_del_aliasmem
3887 *********************************************************************/
3888
3889 NTSTATUS _samr_del_aliasmem(pipes_struct *p, SAMR_Q_DEL_ALIASMEM *q_u, SAMR_R_DEL_ALIASMEM *r_u)
3890 {
3891         DOM_SID alias_sid;
3892         uint32 acc_granted;
3893         SE_PRIV se_rights;
3894         BOOL can_add_accounts;
3895         NTSTATUS ret;
3896         DISP_INFO *disp_info = NULL;
3897
3898         /* Find the policy handle. Open a policy on it. */
3899         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
3900                 return NT_STATUS_INVALID_HANDLE;
3901
3902         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_REMOVE_MEMBER, "_samr_del_aliasmem"))) {
3903                 return r_u->status;
3904         }
3905
3906         DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
3907                    sid_string_static(&alias_sid)));
3908
3909         se_priv_copy( &se_rights, &se_add_users );
3910         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3911
3912         /******** BEGIN SeAddUsers BLOCK *********/
3913
3914         if ( can_add_accounts )
3915                 become_root();
3916
3917         ret = pdb_del_aliasmem(&alias_sid, &q_u->sid.sid);
3918
3919         if ( can_add_accounts )
3920                 unbecome_root();
3921
3922         /******** END SeAddUsers BLOCK *********/
3923
3924         if (NT_STATUS_IS_OK(ret)) {
3925                 force_flush_samr_cache(disp_info);
3926         }
3927
3928         return ret;
3929 }
3930
3931 /*********************************************************************
3932  _samr_add_groupmem
3933 *********************************************************************/
3934
3935 NTSTATUS _samr_add_groupmem(pipes_struct *p, SAMR_Q_ADD_GROUPMEM *q_u, SAMR_R_ADD_GROUPMEM *r_u)
3936 {
3937         DOM_SID group_sid;
3938         uint32 group_rid;
3939         uint32 acc_granted;
3940         SE_PRIV se_rights;
3941         BOOL can_add_accounts;
3942         DISP_INFO *disp_info = NULL;
3943
3944         /* Find the policy handle. Open a policy on it. */
3945         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
3946                 return NT_STATUS_INVALID_HANDLE;
3947
3948         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_ADD_MEMBER, "_samr_add_groupmem"))) {
3949                 return r_u->status;
3950         }
3951
3952         DEBUG(10, ("sid is %s\n", sid_string_static(&group_sid)));
3953
3954         if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
3955                                 &group_rid)) {
3956                 return NT_STATUS_INVALID_HANDLE;
3957         }
3958
3959         se_priv_copy( &se_rights, &se_add_users );
3960         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3961
3962         /******** BEGIN SeAddUsers BLOCK *********/
3963
3964         if ( can_add_accounts )
3965                 become_root();
3966
3967         r_u->status = pdb_add_groupmem(p->mem_ctx, group_rid, q_u->rid);
3968
3969         if ( can_add_accounts )
3970                 unbecome_root();
3971
3972         /******** END SeAddUsers BLOCK *********/
3973
3974         force_flush_samr_cache(disp_info);
3975
3976         return r_u->status;
3977 }
3978
3979 /*********************************************************************
3980  _samr_del_groupmem
3981 *********************************************************************/
3982
3983 NTSTATUS _samr_del_groupmem(pipes_struct *p, SAMR_Q_DEL_GROUPMEM *q_u, SAMR_R_DEL_GROUPMEM *r_u)
3984 {
3985         DOM_SID group_sid;
3986         uint32 group_rid;
3987         uint32 acc_granted;
3988         SE_PRIV se_rights;
3989         BOOL can_add_accounts;
3990         DISP_INFO *disp_info = NULL;
3991
3992         /*
3993          * delete the group member named q_u->rid
3994          * who is a member of the sid associated with the handle
3995          * the rid is a user's rid as the group is a domain group.
3996          */
3997
3998         /* Find the policy handle. Open a policy on it. */
3999         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
4000                 return NT_STATUS_INVALID_HANDLE;
4001
4002         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_REMOVE_MEMBER, "_samr_del_groupmem"))) {
4003                 return r_u->status;
4004         }
4005
4006         if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4007                                 &group_rid)) {
4008                 return NT_STATUS_INVALID_HANDLE;
4009         }
4010
4011         se_priv_copy( &se_rights, &se_add_users );
4012         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4013
4014         /******** BEGIN SeAddUsers BLOCK *********/
4015
4016         if ( can_add_accounts )
4017                 become_root();
4018
4019         r_u->status = pdb_del_groupmem(p->mem_ctx, group_rid, q_u->rid);
4020
4021         if ( can_add_accounts )
4022                 unbecome_root();
4023
4024         /******** END SeAddUsers BLOCK *********/
4025
4026         force_flush_samr_cache(disp_info);
4027
4028         return r_u->status;
4029 }
4030
4031 /*********************************************************************
4032  _samr_delete_dom_user
4033 *********************************************************************/
4034
4035 NTSTATUS _samr_delete_dom_user(pipes_struct *p, SAMR_Q_DELETE_DOM_USER *q_u, SAMR_R_DELETE_DOM_USER *r_u )
4036 {
4037         DOM_SID user_sid;
4038         struct samu *sam_pass=NULL;
4039         uint32 acc_granted;
4040         BOOL can_add_accounts;
4041         uint32 acb_info;
4042         DISP_INFO *disp_info = NULL;
4043
4044         DEBUG(5, ("_samr_delete_dom_user: %d\n", __LINE__));
4045
4046         /* Find the policy handle. Open a policy on it. */
4047         if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &user_sid, &acc_granted, &disp_info))
4048                 return NT_STATUS_INVALID_HANDLE;
4049
4050         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_user"))) {
4051                 return r_u->status;
4052         }
4053
4054         if (!sid_check_is_in_our_domain(&user_sid))
4055                 return NT_STATUS_CANNOT_DELETE;
4056
4057         /* check if the user exists before trying to delete */
4058         if ( !(sam_pass = samu_new( NULL )) ) {
4059                 return NT_STATUS_NO_MEMORY;
4060         }
4061
4062         if(!pdb_getsampwsid(sam_pass, &user_sid)) {
4063                 DEBUG(5,("_samr_delete_dom_user:User %s doesn't exist.\n",
4064                         sid_string_static(&user_sid)));
4065                 TALLOC_FREE(sam_pass);
4066                 return NT_STATUS_NO_SUCH_USER;
4067         }
4068
4069         acb_info = pdb_get_acct_ctrl(sam_pass);
4070
4071         /* For machine accounts it's the SeMachineAccountPrivilege that counts. */
4072         if ( acb_info & ACB_WSTRUST ) {
4073                 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account );
4074         } else {
4075                 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4076         }
4077
4078         /******** BEGIN SeAddUsers BLOCK *********/
4079
4080         if ( can_add_accounts )
4081                 become_root();
4082
4083         r_u->status = pdb_delete_user(p->mem_ctx, sam_pass);
4084
4085         if ( can_add_accounts )
4086                 unbecome_root();
4087
4088         /******** END SeAddUsers BLOCK *********/
4089
4090         if ( !NT_STATUS_IS_OK(r_u->status) ) {
4091                 DEBUG(5,("_samr_delete_dom_user: Failed to delete entry for "
4092                          "user %s: %s.\n", pdb_get_username(sam_pass),
4093                          nt_errstr(r_u->status)));
4094                 TALLOC_FREE(sam_pass);
4095                 return r_u->status;
4096         }
4097
4098
4099         TALLOC_FREE(sam_pass);
4100
4101         if (!close_policy_hnd(p, &q_u->user_pol))
4102                 return NT_STATUS_OBJECT_NAME_INVALID;
4103
4104         force_flush_samr_cache(disp_info);
4105
4106         return NT_STATUS_OK;
4107 }
4108
4109 /*********************************************************************
4110  _samr_delete_dom_group
4111 *********************************************************************/
4112
4113 NTSTATUS _samr_delete_dom_group(pipes_struct *p, SAMR_Q_DELETE_DOM_GROUP *q_u, SAMR_R_DELETE_DOM_GROUP *r_u)
4114 {
4115         DOM_SID group_sid;
4116         uint32 group_rid;
4117         uint32 acc_granted;
4118         SE_PRIV se_rights;
4119         BOOL can_add_accounts;
4120         DISP_INFO *disp_info = NULL;
4121
4122         DEBUG(5, ("samr_delete_dom_group: %d\n", __LINE__));
4123
4124         /* Find the policy handle. Open a policy on it. */
4125         if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted, &disp_info))
4126                 return NT_STATUS_INVALID_HANDLE;
4127
4128         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_group"))) {
4129                 return r_u->status;
4130         }
4131
4132         DEBUG(10, ("sid is %s\n", sid_string_static(&group_sid)));
4133
4134         if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4135                                 &group_rid)) {
4136                 return NT_STATUS_NO_SUCH_GROUP;
4137         }
4138
4139         se_priv_copy( &se_rights, &se_add_users );
4140         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4141
4142         /******** BEGIN SeAddUsers BLOCK *********/
4143
4144         if ( can_add_accounts )
4145                 become_root();
4146
4147         r_u->status = pdb_delete_dom_group(p->mem_ctx, group_rid);
4148
4149         if ( can_add_accounts )
4150                 unbecome_root();
4151
4152         /******** END SeAddUsers BLOCK *********/
4153
4154         if ( !NT_STATUS_IS_OK(r_u->status) ) {
4155                 DEBUG(5,("_samr_delete_dom_group: Failed to delete mapping "
4156                          "entry for group %s: %s\n",
4157                          sid_string_static(&group_sid),
4158                          nt_errstr(r_u->status)));
4159                 return r_u->status;
4160         }
4161
4162         if (!close_policy_hnd(p, &q_u->group_pol))
4163                 return NT_STATUS_OBJECT_NAME_INVALID;
4164
4165         force_flush_samr_cache(disp_info);
4166
4167         return NT_STATUS_OK;
4168 }
4169
4170 /*********************************************************************
4171  _samr_delete_dom_alias
4172 *********************************************************************/
4173
4174 NTSTATUS _samr_delete_dom_alias(pipes_struct *p, SAMR_Q_DELETE_DOM_ALIAS *q_u, SAMR_R_DELETE_DOM_ALIAS *r_u)
4175 {
4176         DOM_SID alias_sid;
4177         uint32 acc_granted;
4178         SE_PRIV se_rights;
4179         BOOL can_add_accounts;
4180         BOOL ret;
4181         DISP_INFO *disp_info = NULL;
4182
4183         DEBUG(5, ("_samr_delete_dom_alias: %d\n", __LINE__));
4184
4185         /* Find the policy handle. Open a policy on it. */
4186         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
4187                 return NT_STATUS_INVALID_HANDLE;
4188
4189         /* copy the handle to the outgoing reply */
4190
4191         memcpy( &r_u->pol, &q_u->alias_pol, sizeof(r_u->pol) );
4192
4193         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_alias"))) {
4194                 return r_u->status;
4195         }
4196
4197         DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
4198
4199         /* Don't let Windows delete builtin groups */
4200
4201         if ( sid_check_is_in_builtin( &alias_sid ) ) {
4202                 return NT_STATUS_SPECIAL_ACCOUNT;
4203         }
4204
4205         if (!sid_check_is_in_our_domain(&alias_sid))
4206                 return NT_STATUS_NO_SUCH_ALIAS;
4207
4208         DEBUG(10, ("lookup on Local SID\n"));
4209
4210         se_priv_copy( &se_rights, &se_add_users );
4211         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4212
4213         /******** BEGIN SeAddUsers BLOCK *********/
4214
4215         if ( can_add_accounts )
4216                 become_root();
4217
4218         /* Have passdb delete the alias */
4219         ret = pdb_delete_alias(&alias_sid);
4220
4221         if ( can_add_accounts )
4222                 unbecome_root();
4223
4224         /******** END SeAddUsers BLOCK *********/
4225
4226         if ( !ret )
4227                 return NT_STATUS_ACCESS_DENIED;
4228
4229         if (!close_policy_hnd(p, &q_u->alias_pol))
4230                 return NT_STATUS_OBJECT_NAME_INVALID;
4231
4232         force_flush_samr_cache(disp_info);
4233
4234         return NT_STATUS_OK;
4235 }
4236
4237 /*********************************************************************
4238  _samr_create_dom_group
4239 *********************************************************************/
4240
4241 NTSTATUS _samr_create_dom_group(pipes_struct *p, SAMR_Q_CREATE_DOM_GROUP *q_u, SAMR_R_CREATE_DOM_GROUP *r_u)
4242 {
4243         DOM_SID dom_sid;
4244         DOM_SID info_sid;
4245         const char *name;
4246         struct samr_info *info;
4247         uint32 acc_granted;
4248         SE_PRIV se_rights;
4249         BOOL can_add_accounts;
4250         DISP_INFO *disp_info = NULL;
4251
4252         /* Find the policy handle. Open a policy on it. */
4253         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &dom_sid, &acc_granted, &disp_info))
4254                 return NT_STATUS_INVALID_HANDLE;
4255
4256         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_GROUP, "_samr_create_dom_group"))) {
4257                 return r_u->status;
4258         }
4259
4260         if (!sid_equal(&dom_sid, get_global_sam_sid()))
4261                 return NT_STATUS_ACCESS_DENIED;
4262
4263         name = rpcstr_pull_unistr2_talloc(p->mem_ctx, &q_u->uni_acct_desc);
4264         if (name == NULL) {
4265                 return NT_STATUS_NO_MEMORY;
4266         }
4267
4268         r_u->status = can_create(p->mem_ctx, name);
4269         if (!NT_STATUS_IS_OK(r_u->status)) {
4270                 return r_u->status;
4271         }
4272
4273         se_priv_copy( &se_rights, &se_add_users );
4274         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4275
4276         /******** BEGIN SeAddUsers BLOCK *********/
4277
4278         if ( can_add_accounts )
4279                 become_root();
4280
4281         /* check that we successfully create the UNIX group */
4282
4283         r_u->status = pdb_create_dom_group(p->mem_ctx, name, &r_u->rid);
4284
4285         if ( can_add_accounts )
4286                 unbecome_root();
4287
4288         /******** END SeAddUsers BLOCK *********/
4289
4290         /* check if we should bail out here */
4291
4292         if ( !NT_STATUS_IS_OK(r_u->status) )
4293                 return r_u->status;
4294
4295         sid_compose(&info_sid, get_global_sam_sid(), r_u->rid);
4296
4297         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4298                 return NT_STATUS_NO_MEMORY;
4299
4300         /* they created it; let the user do what he wants with it */
4301
4302         info->acc_granted = GENERIC_RIGHTS_GROUP_ALL_ACCESS;
4303
4304         /* get a (unique) handle.  open a policy on it. */
4305         if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
4306                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4307
4308         force_flush_samr_cache(disp_info);
4309
4310         return NT_STATUS_OK;
4311 }
4312
4313 /*********************************************************************
4314  _samr_create_dom_alias
4315 *********************************************************************/
4316
4317 NTSTATUS _samr_create_dom_alias(pipes_struct *p, SAMR_Q_CREATE_DOM_ALIAS *q_u, SAMR_R_CREATE_DOM_ALIAS *r_u)
4318 {
4319         DOM_SID dom_sid;
4320         DOM_SID info_sid;
4321         fstring name;
4322         struct samr_info *info;
4323         uint32 acc_granted;
4324         gid_t gid;
4325         NTSTATUS result;
4326         SE_PRIV se_rights;
4327         BOOL can_add_accounts;
4328         DISP_INFO *disp_info = NULL;
4329
4330         /* Find the policy handle. Open a policy on it. */
4331         if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &dom_sid, &acc_granted, &disp_info))
4332                 return NT_STATUS_INVALID_HANDLE;
4333
4334         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_ALIAS, "_samr_create_alias"))) {
4335                 return r_u->status;
4336         }
4337
4338         if (!sid_equal(&dom_sid, get_global_sam_sid()))
4339                 return NT_STATUS_ACCESS_DENIED;
4340
4341         unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1);
4342
4343         se_priv_copy( &se_rights, &se_add_users );
4344         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4345
4346         result = can_create(p->mem_ctx, name);
4347         if (!NT_STATUS_IS_OK(result)) {
4348                 return result;
4349         }
4350
4351         /******** BEGIN SeAddUsers BLOCK *********/
4352
4353         if ( can_add_accounts )
4354                 become_root();
4355
4356         /* Have passdb create the alias */
4357         result = pdb_create_alias(name, &r_u->rid);
4358
4359         if ( can_add_accounts )
4360                 unbecome_root();
4361
4362         /******** END SeAddUsers BLOCK *********/
4363
4364         if (!NT_STATUS_IS_OK(result)) {
4365                 DEBUG(10, ("pdb_create_alias failed: %s\n",
4366                            nt_errstr(result)));
4367                 return result;
4368         }
4369
4370         sid_copy(&info_sid, get_global_sam_sid());
4371         sid_append_rid(&info_sid, r_u->rid);
4372
4373         if (!sid_to_gid(&info_sid, &gid)) {
4374                 DEBUG(10, ("Could not find alias just created\n"));
4375                 return NT_STATUS_ACCESS_DENIED;
4376         }
4377
4378         /* check if the group has been successfully created */
4379         if ( getgrgid(gid) == NULL ) {
4380                 DEBUG(10, ("getgrgid(%d) of just created alias failed\n",
4381                            gid));
4382                 return NT_STATUS_ACCESS_DENIED;
4383         }
4384
4385         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4386                 return NT_STATUS_NO_MEMORY;
4387
4388         /* they created it; let the user do what he wants with it */
4389
4390         info->acc_granted = GENERIC_RIGHTS_ALIAS_ALL_ACCESS;
4391
4392         /* get a (unique) handle.  open a policy on it. */
4393         if (!create_policy_hnd(p, &r_u->alias_pol, free_samr_info, (void *)info))
4394                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4395
4396         force_flush_samr_cache(disp_info);
4397
4398         return NT_STATUS_OK;
4399 }
4400
4401 /*********************************************************************
4402  _samr_query_groupinfo
4403
4404 sends the name/comment pair of a domain group
4405 level 1 send also the number of users of that group
4406 *********************************************************************/
4407
4408 NTSTATUS _samr_query_groupinfo(pipes_struct *p, SAMR_Q_QUERY_GROUPINFO *q_u, SAMR_R_QUERY_GROUPINFO *r_u)
4409 {
4410         DOM_SID group_sid;
4411         GROUP_MAP map;
4412         GROUP_INFO_CTR *ctr;
4413         uint32 acc_granted;
4414         BOOL ret;
4415
4416         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, NULL))
4417                 return NT_STATUS_INVALID_HANDLE;
4418
4419         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_LOOKUP_INFO, "_samr_query_groupinfo"))) {
4420                 return r_u->status;
4421         }
4422
4423         become_root();
4424         ret = get_domain_group_from_sid(group_sid, &map);
4425         unbecome_root();
4426         if (!ret)
4427                 return NT_STATUS_INVALID_HANDLE;
4428
4429         ctr=TALLOC_ZERO_P(p->mem_ctx, GROUP_INFO_CTR);
4430         if (ctr==NULL)
4431                 return NT_STATUS_NO_MEMORY;
4432
4433         switch (q_u->switch_level) {
4434                 case 1: {
4435                         uint32 *members;
4436                         size_t num_members;
4437
4438                         ctr->switch_value1 = 1;
4439
4440                         become_root();
4441                         r_u->status = pdb_enum_group_members(
4442                                 p->mem_ctx, &group_sid, &members, &num_members);
4443                         unbecome_root();
4444
4445                         if (!NT_STATUS_IS_OK(r_u->status)) {
4446                                 return r_u->status;
4447                         }
4448
4449                         init_samr_group_info1(&ctr->group.info1, map.nt_name,
4450                                       map.comment, num_members);
4451                         break;
4452                 }
4453                 case 2:
4454                         ctr->switch_value1 = 2;
4455                         init_samr_group_info2(&ctr->group.info2, map.nt_name);
4456                         break;
4457                 case 3:
4458                         ctr->switch_value1 = 3;
4459                         init_samr_group_info3(&ctr->group.info3);
4460                         break;
4461                 case 4:
4462                         ctr->switch_value1 = 4;
4463                         init_samr_group_info4(&ctr->group.info4, map.comment);
4464                         break;
4465                 case 5: {
4466                         /*
4467                         uint32 *members;
4468                         size_t num_members;
4469                         */
4470
4471                         ctr->switch_value1 = 5;
4472
4473                         /*
4474                         become_root();
4475                         r_u->status = pdb_enum_group_members(
4476                                 p->mem_ctx, &group_sid, &members, &num_members);
4477                         unbecome_root();
4478
4479                         if (!NT_STATUS_IS_OK(r_u->status)) {
4480                                 return r_u->status;
4481                         }
4482                         */
4483                         init_samr_group_info5(&ctr->group.info5, map.nt_name,
4484                                       map.comment, 0 /* num_members */); /* in w2k3 this is always 0 */
4485                         break;
4486                 }
4487                 default:
4488                         return NT_STATUS_INVALID_INFO_CLASS;
4489         }
4490
4491         init_samr_r_query_groupinfo(r_u, ctr, NT_STATUS_OK);
4492
4493         return NT_STATUS_OK;
4494 }
4495
4496 /*********************************************************************
4497  _samr_set_groupinfo
4498
4499  update a domain group's comment.
4500 *********************************************************************/
4501
4502 NTSTATUS _samr_set_groupinfo(pipes_struct *p, SAMR_Q_SET_GROUPINFO *q_u, SAMR_R_SET_GROUPINFO *r_u)
4503 {
4504         DOM_SID group_sid;
4505         GROUP_MAP map;
4506         GROUP_INFO_CTR *ctr;
4507         uint32 acc_granted;
4508         NTSTATUS ret;
4509         BOOL result;
4510         BOOL can_mod_accounts;
4511         DISP_INFO *disp_info = NULL;
4512
4513         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
4514                 return NT_STATUS_INVALID_HANDLE;
4515
4516         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_SET_INFO, "_samr_set_groupinfo"))) {
4517                 return r_u->status;
4518         }
4519
4520         become_root();
4521         result = get_domain_group_from_sid(group_sid, &map);
4522         unbecome_root();
4523         if (!result)
4524                 return NT_STATUS_NO_SUCH_GROUP;
4525
4526         ctr=q_u->ctr;
4527
4528         switch (ctr->switch_value1) {
4529                 case 1:
4530                         unistr2_to_ascii(map.comment, &(ctr->group.info1.uni_acct_desc), sizeof(map.comment)-1);
4531                         break;
4532                 case 4:
4533                         unistr2_to_ascii(map.comment, &(ctr->group.info4.uni_acct_desc), sizeof(map.comment)-1);
4534                         break;
4535                 default:
4536                         return NT_STATUS_INVALID_INFO_CLASS;
4537         }
4538
4539         can_mod_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4540
4541         /******** BEGIN SeAddUsers BLOCK *********/
4542
4543         if ( can_mod_accounts )
4544                 become_root();
4545
4546         ret = pdb_update_group_mapping_entry(&map);
4547
4548         if ( can_mod_accounts )
4549                 unbecome_root();
4550
4551         /******** End SeAddUsers BLOCK *********/
4552
4553         if (NT_STATUS_IS_OK(ret)) {
4554                 force_flush_samr_cache(disp_info);
4555         }
4556
4557         return ret;
4558 }
4559
4560 /*********************************************************************
4561  _samr_set_aliasinfo
4562
4563  update an alias's comment.
4564 *********************************************************************/
4565
4566 NTSTATUS _samr_set_aliasinfo(pipes_struct *p, SAMR_Q_SET_ALIASINFO *q_u, SAMR_R_SET_ALIASINFO *r_u)
4567 {
4568         DOM_SID group_sid;
4569         struct acct_info info;
4570         ALIAS_INFO_CTR *ctr;
4571         uint32 acc_granted;
4572         BOOL ret;
4573         BOOL can_mod_accounts;
4574         DISP_INFO *disp_info = NULL;
4575
4576         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &group_sid, &acc_granted, &disp_info))
4577                 return NT_STATUS_INVALID_HANDLE;
4578
4579         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_SET_INFO, "_samr_set_aliasinfo"))) {
4580                 return r_u->status;
4581         }
4582
4583         ctr=&q_u->ctr;
4584
4585         /* get the current group information */
4586
4587         if ( !pdb_get_aliasinfo( &group_sid, &info ) ) {
4588                 return NT_STATUS_NO_SUCH_ALIAS;
4589         }
4590
4591         switch (ctr->level) {
4592                 case 2:
4593                         /* We currently do not support renaming groups in the
4594                            the BUILTIN domain.  Refer to util_builtin.c to understand
4595                            why.  The eventually needs to be fixed to be like Windows
4596                            where you can rename builtin groups, just not delete them */
4597
4598                         if ( sid_check_is_in_builtin( &group_sid ) ) {
4599                                 return NT_STATUS_SPECIAL_ACCOUNT;
4600                         }
4601
4602                         if ( ctr->alias.info2.name.string ) {
4603                                 unistr2_to_ascii( info.acct_name, ctr->alias.info2.name.string,
4604                                         sizeof(info.acct_name)-1 );
4605                         }
4606                         else
4607                                 fstrcpy( info.acct_name, "" );
4608                         break;
4609                 case 3:
4610                         if ( ctr->alias.info3.description.string ) {
4611                                 unistr2_to_ascii( info.acct_desc,
4612                                         ctr->alias.info3.description.string,
4613                                         sizeof(info.acct_desc)-1 );
4614                         }
4615                         else
4616                                 fstrcpy( info.acct_desc, "" );
4617                         break;
4618                 default:
4619                         return NT_STATUS_INVALID_INFO_CLASS;
4620         }
4621
4622         can_mod_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4623
4624         /******** BEGIN SeAddUsers BLOCK *********/
4625
4626         if ( can_mod_accounts )
4627                 become_root();
4628
4629         ret = pdb_set_aliasinfo( &group_sid, &info );
4630
4631         if ( can_mod_accounts )
4632                 unbecome_root();
4633
4634         /******** End SeAddUsers BLOCK *********/
4635
4636         if (ret) {
4637                 force_flush_samr_cache(disp_info);
4638         }
4639
4640         return ret ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4641 }
4642
4643 /*********************************************************************
4644  _samr_get_dom_pwinfo
4645 *********************************************************************/
4646
4647 NTSTATUS _samr_get_dom_pwinfo(pipes_struct *p, SAMR_Q_GET_DOM_PWINFO *q_u, SAMR_R_GET_DOM_PWINFO *r_u)
4648 {
4649         /* Perform access check.  Since this rpc does not require a
4650            policy handle it will not be caught by the access checks on
4651            SAMR_CONNECT or SAMR_CONNECT_ANON. */
4652
4653         if (!pipe_access_check(p)) {
4654                 DEBUG(3, ("access denied to samr_get_dom_pwinfo\n"));
4655                 r_u->status = NT_STATUS_ACCESS_DENIED;
4656                 return r_u->status;
4657         }
4658
4659         /* Actually, returning zeros here works quite well :-). */
4660
4661         return NT_STATUS_OK;
4662 }
4663
4664 /*********************************************************************
4665  _samr_open_group
4666 *********************************************************************/
4667
4668 NTSTATUS _samr_open_group(pipes_struct *p, SAMR_Q_OPEN_GROUP *q_u, SAMR_R_OPEN_GROUP *r_u)
4669 {
4670         DOM_SID sid;
4671         DOM_SID info_sid;
4672         GROUP_MAP map;
4673         struct samr_info *info;
4674         SEC_DESC         *psd = NULL;
4675         uint32            acc_granted;
4676         uint32            des_access = q_u->access_mask;
4677         size_t            sd_size;
4678         NTSTATUS          status;
4679         fstring sid_string;
4680         BOOL ret;
4681         SE_PRIV se_rights;
4682
4683         if (!get_lsa_policy_samr_sid(p, &q_u->domain_pol, &sid, &acc_granted, NULL))
4684                 return NT_STATUS_INVALID_HANDLE;
4685
4686         status = access_check_samr_function(acc_granted,
4687                 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_group");
4688
4689         if ( !NT_STATUS_IS_OK(status) )
4690                 return status;
4691
4692         /*check if access can be granted as requested by client. */
4693         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &grp_generic_mapping, NULL, 0);
4694         se_map_generic(&des_access,&grp_generic_mapping);
4695
4696         se_priv_copy( &se_rights, &se_add_users );
4697
4698         status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
4699                 &se_rights, GENERIC_RIGHTS_GROUP_WRITE, des_access,
4700                 &acc_granted, "_samr_open_group");
4701
4702         if ( !NT_STATUS_IS_OK(status) )
4703                 return status;
4704
4705         /* this should not be hard-coded like this */
4706
4707         if (!sid_equal(&sid, get_global_sam_sid()))
4708                 return NT_STATUS_ACCESS_DENIED;
4709
4710         sid_copy(&info_sid, get_global_sam_sid());
4711         sid_append_rid(&info_sid, q_u->rid_group);
4712         sid_to_string(sid_string, &info_sid);
4713
4714         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4715                 return NT_STATUS_NO_MEMORY;
4716
4717         info->acc_granted = acc_granted;
4718
4719         DEBUG(10, ("_samr_open_group:Opening SID: %s\n", sid_string));
4720
4721         /* check if that group really exists */
4722         become_root();
4723         ret = get_domain_group_from_sid(info->sid, &map);
4724         unbecome_root();
4725         if (!ret)
4726                 return NT_STATUS_NO_SUCH_GROUP;
4727
4728         /* get a (unique) handle.  open a policy on it. */
4729         if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
4730                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4731
4732         return NT_STATUS_OK;
4733 }
4734
4735 /*********************************************************************
4736  _samr_remove_sid_foreign_domain
4737 *********************************************************************/
4738
4739 NTSTATUS _samr_remove_sid_foreign_domain(pipes_struct *p,
4740                                           SAMR_Q_REMOVE_SID_FOREIGN_DOMAIN *q_u,
4741                                           SAMR_R_REMOVE_SID_FOREIGN_DOMAIN *r_u)
4742 {
4743         DOM_SID                 delete_sid, domain_sid;
4744         uint32                  acc_granted;
4745         NTSTATUS                result;
4746         DISP_INFO *disp_info = NULL;
4747
4748         sid_copy( &delete_sid, &q_u->sid.sid );
4749
4750         DEBUG(5,("_samr_remove_sid_foreign_domain: removing SID [%s]\n",
4751                 sid_string_static(&delete_sid)));
4752
4753         /* Find the policy handle. Open a policy on it. */
4754
4755         if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &domain_sid,
4756                                      &acc_granted, &disp_info))
4757                 return NT_STATUS_INVALID_HANDLE;
4758
4759         result = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS,
4760                 "_samr_remove_sid_foreign_domain");
4761
4762         if (!NT_STATUS_IS_OK(result))
4763                 return result;
4764
4765         DEBUG(8, ("_samr_remove_sid_foreign_domain:sid is %s\n",
4766                 sid_string_static(&domain_sid)));
4767
4768         /* we can only delete a user from a group since we don't have
4769            nested groups anyways.  So in the latter case, just say OK */
4770
4771         /* TODO: The above comment nowadays is bogus. Since we have nested
4772          * groups now, and aliases members are never reported out of the unix
4773          * group membership, the "just say OK" makes this call a no-op. For
4774          * us. This needs fixing however. */
4775
4776         /* I've only ever seen this in the wild when deleting a user from
4777          * usrmgr.exe. domain_sid is the builtin domain, and the sid to delete
4778          * is the user about to be deleted. I very much suspect this is the
4779          * only application of this call. To verify this, let people report
4780          * other cases. */
4781
4782         if (!sid_check_is_builtin(&domain_sid)) {
4783                 DEBUG(1,("_samr_remove_sid_foreign_domain: domain_sid = %s, "
4784                          "global_sam_sid() = %s\n",
4785                          sid_string_static(&domain_sid),
4786                          sid_string_static(get_global_sam_sid())));
4787                 DEBUGADD(1,("please report to samba-technical@samba.org!\n"));
4788                 return NT_STATUS_OK;
4789         }
4790
4791         force_flush_samr_cache(disp_info);
4792
4793         result = NT_STATUS_OK;
4794
4795         return result;
4796 }
4797
4798 /*******************************************************************
4799  _samr_query_domain_info2
4800  ********************************************************************/
4801
4802 NTSTATUS _samr_query_domain_info2(pipes_struct *p,
4803                                   SAMR_Q_QUERY_DOMAIN_INFO2 *q_u,
4804                                   SAMR_R_QUERY_DOMAIN_INFO2 *r_u)
4805 {
4806         SAMR_Q_QUERY_DOMAIN_INFO q;
4807         SAMR_R_QUERY_DOMAIN_INFO r;
4808
4809         ZERO_STRUCT(q);
4810         ZERO_STRUCT(r);
4811
4812         DEBUG(5,("_samr_query_domain_info2: %d\n", __LINE__));
4813
4814         q.domain_pol = q_u->domain_pol;
4815         q.switch_value = q_u->switch_value;
4816
4817         r_u->status = _samr_query_domain_info(p, &q, &r);
4818
4819         r_u->ptr_0              = r.ptr_0;
4820         r_u->switch_value       = r.switch_value;
4821         r_u->ctr                = r.ctr;
4822
4823         return r_u->status;
4824 }
4825
4826 /*******************************************************************
4827  _samr_set_dom_info
4828  ********************************************************************/
4829
4830 NTSTATUS _samr_set_dom_info(pipes_struct *p, SAMR_Q_SET_DOMAIN_INFO *q_u, SAMR_R_SET_DOMAIN_INFO *r_u)
4831 {
4832         time_t u_expire, u_min_age;
4833         time_t u_logout;
4834         time_t u_lock_duration, u_reset_time;
4835
4836         r_u->status = NT_STATUS_OK;
4837
4838         DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
4839
4840         /* find the policy handle.  open a policy on it. */
4841         if (!find_policy_by_hnd(p, &q_u->domain_pol, NULL))
4842                 return NT_STATUS_INVALID_HANDLE;
4843
4844         DEBUG(5,("_samr_set_dom_info: switch_value: %d\n", q_u->switch_value));
4845
4846         switch (q_u->switch_value) {
4847                 case 0x01:
4848                         u_expire=nt_time_to_unix_abs(&q_u->ctr->info.inf1.expire);
4849                         u_min_age=nt_time_to_unix_abs(&q_u->ctr->info.inf1.min_passwordage);
4850
4851                         pdb_set_account_policy(AP_MIN_PASSWORD_LEN, (uint32)q_u->ctr->info.inf1.min_length_password);
4852                         pdb_set_account_policy(AP_PASSWORD_HISTORY, (uint32)q_u->ctr->info.inf1.password_history);
4853                         pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)q_u->ctr->info.inf1.password_properties);
4854                         pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (int)u_expire);
4855                         pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (int)u_min_age);
4856                         break;
4857                 case 0x02:
4858                         break;
4859                 case 0x03:
4860                         u_logout=nt_time_to_unix_abs(&q_u->ctr->info.inf3.logout);
4861                         pdb_set_account_policy(AP_TIME_TO_LOGOUT, (int)u_logout);
4862                         break;
4863                 case 0x05:
4864                         break;
4865                 case 0x06:
4866                         break;
4867                 case 0x07:
4868                         break;
4869                 case 0x0c:
4870                         u_lock_duration=nt_time_to_unix_abs(&q_u->ctr->info.inf12.duration);
4871                         if (u_lock_duration != -1)
4872                                 u_lock_duration /= 60;
4873
4874                         u_reset_time=nt_time_to_unix_abs(&q_u->ctr->info.inf12.reset_count)/60;
4875
4876                         pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);
4877                         pdb_set_account_policy(AP_RESET_COUNT_TIME, (int)u_reset_time);
4878                         pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT, (uint32)q_u->ctr->info.inf12.bad_attempt_lockout);
4879                         break;
4880                 default:
4881                         return NT_STATUS_INVALID_INFO_CLASS;
4882         }
4883
4884         init_samr_r_set_domain_info(r_u, NT_STATUS_OK);
4885
4886         DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
4887
4888         return r_u->status;
4889 }